{"id":106245,"date":"2023-11-11T22:58:34","date_gmt":"2023-11-11T22:58:34","guid":{"rendered":"https:\/\/science-hub.click\/%E3%82%B3%E3%83%BC%E3%83%9C%E3%83%B3%E3%83%88%E3%83%A9%E3%82%A4%E3%82%A2%E3%83%B3%E3%82%B0%E3%83%AB%E3%81%AB%E3%81%A4%E3%81%84%E3%81%A6%E8%A9%B3%E3%81%97%E3%81%8F%E8%A7%A3%E8%AA%AC\/"},"modified":"2023-11-11T22:58:34","modified_gmt":"2023-11-11T22:58:34","slug":"%E3%82%B3%E3%83%BC%E3%83%9C%E3%83%B3%E3%83%88%E3%83%A9%E3%82%A4%E3%82%A2%E3%83%B3%E3%82%B0%E3%83%AB%E3%81%AB%E3%81%A4%E3%81%84%E3%81%A6%E8%A9%B3%E3%81%97%E3%81%8F%E8%A7%A3%E8%AA%AC","status":"publish","type":"post","link":"https:\/\/science-hub.click\/?p=106245","title":{"rendered":"\u30b3\u30fc\u30dc\u30f3\u30c8\u30e9\u30a4\u30a2\u30f3\u30b0\u30eb\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u89e3\u8aac"},"content":{"rendered":"

\u5c0e\u5165<\/h2>

\u30b3\u30fc\u30dc\u30f3\u4e09\u89d2\u5f62\u554f\u984c\u306f<\/b>\u3001\u6570\u5b66\u8005\u30b3\u30fc\u30dc\u30f3\u85e4\u6751<\/span>\u306b\u3088\u3063\u3066\u6700\u521d\u306b\u8ff0\u3079\u3089\u308c\u305f\u672a\u89e3\u6c7a\u306e\u7d44\u307f\u5408\u308f\u305b\u5e7e\u4f55\u5b66\u554f\u984c\u3067\u3059\u3002\u3053\u306e\u554f\u984c\u306f\u3001\u6307\u5b9a\u3055\u308c\u305f\u6570\u306e\u7dda\u5206\u3092\u4f7f\u7528\u3057\u3066\u69cb\u7bc9\u3067\u304d\u308b\u500b\u5225\u306e\u4e09\u89d2\u5f62\u306e\u6700\u5927\u6570<\/a><\/span>\u306f\u3044\u304f\u3089\u304b\u3001\u3068\u3044\u3046\u3082\u306e\u3067\u3059\u3002<\/p>

\u3053\u306e\u554f\u984c\u306f 1983 \u5e74\u306b Martin Gardner \u306b\u3088\u3063\u3066\u5e83\u3081\u3089\u308c\u307e\u3057\u305f\u3002<\/p>

\n\"\u30b3\u30fc\u30dc\u30f3\u30c8\u30e9\u30a4\u30a2\u30f3\u30b0\u30eb\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u89e3\u8aac\"<\/figure>

\u4e0a\u9650<\/h2>

\u7530\u6751\u4e09\u90ce\u306f<\/span>\u3001n \u672c\u306e\u7dda\u5206\u306e\u5834\u5408\u3001N(n) \u3067\u793a\u3055\u308c\u308b\u3001\u69cb\u7bc9\u53ef\u80fd\u306a\u4e09\u89d2\u5f62\u306e\u6700\u5927\u6570\u304c\u4ee5\u4e0b\u3067\u3042\u308b\u3053\u3068\u3092\u793a\u3057\u307e\u3057\u305f\u3002

$$ {\\lfloor\\frac {n\\left(n-2\\right)}{3}\\rfloor} $$<\/div> (
$$ {\\lfloor \\rfloor} $$<\/div>\u306f\u6574\u6570\u90e8\u95a2\u6570\u3092\u793a\u3057\u307e\u3059)\u3002<\/p>

2007 \u5e74\u306b\u3001 Johannes Bader<\/span>\u3068 Gilles Cl\u00e9ment \u304c\u3053\u306e\u9650\u754c\u3092\u6539\u826f\u3057\u307e\u3057\u305f: N(n) \u306f\u4ee5\u4e0b\u3067\u3059

$$ {\\lfloor\\frac {n\\left(n-2\\right)}{3}\\rfloor – \\chi_{\\{n|(n \\mod 6)\\in\\{0,2\\}\\}}\\left(n\\right)} $$<\/div>\u3053\u3053\u3067\u3001 \u03c7<\/span>\u306f\u7279\u6027\u95a2\u6570<\/a><\/span>\u3067\u3001n \u304c 6 \u3092\u6cd5\u3068\u3059\u308b<\/a><\/span>0 \u307e\u305f\u306f 2 \u306b\u4e00\u81f4\u3059\u308b\u5834\u5408\u306f 1 \u306b\u7b49\u3057\u304f\u3001\u305d\u306e\u4ed6\u306e\u5834\u5408\u306f 0 \u306b\u7b49\u3057\u304f\u306a\u308a\u307e\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u3053\u306e\u7279\u6027\u95a2\u6570\u304c\u30bc\u30ed\u3067\u306a\u3044\u5834\u5408\u3001\u7530\u6751\u306b\u3088\u3063\u3066\u4e0e\u3048\u3089\u308c\u305f<\/span>\u9650\u754c\u306b\u5230\u9054\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002<\/p>
\n\"\u30b3\u30fc\u30dc\u30f3\u30c8\u30e9\u30a4\u30a2\u30f3\u30b0\u30eb\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u89e3\u8aac\"<\/figure>

\u65e2\u77e5\u306e\u89e3\u6c7a\u7b56<\/h2>

\u4e0a\u9650\u306b\u7b49\u3057\u3044\u6700\u5927\u89e3\u306f\u30013\u30014\u30015\u30016\u30017\u30018\u30019\u300113\u300115\u3001\u304a\u3088\u3073 17 \u884c\u306b\u3064\u3044\u3066\u65e2\u77e5\u3067\u3059\u3002\u4ed6\u306e\u5834\u5408\u306b\u306f\u3001\u3053\u306e\u4e0a\u9650\u306b\u8fd1\u3065\u304f\u69cb\u6210\u304c\u3042\u3063\u305f\u3068\u3057\u3066\u3082\u3001\u4e09\u89d2\u5f62\u306e\u6700\u5927\u6570\u306f\u4e0d\u660e\u3067\u3059\u3002 10 \u884c\u3068 11 \u884c\u306e\u5834\u5408\u3001\u6700\u3082\u3088\u304f\u77e5\u3089\u308c\u3066\u3044\u308b\u89e3\u6c7a\u7b56\u306f\u3001\u7530\u6751\u6c0f\u304c\u6307\u5b9a\u3057\u305f\u5236\u9650\u3088\u308a\u4e09\u89d2\u5f62\u304c<\/a><\/span>1 \u3064\u3060\u3051\u5c11\u306a\u3044\u3053\u3068\u3067\u3059\u3002 12\u300116\u300118 \u76f4\u7dda\u30012 \u304b\u6708<\/a><\/span>\u4e09\u89d2\u5f62\u306e\u5834\u5408\u3002<\/p>

\u6b21\u306e\u8868\u306f<\/a><\/span>\u3001\u30bb\u30b0\u30e1\u30f3\u30c8\u6570\u306e\u6700\u521d\u306e\u5024\u3001\u4e0a\u9650\u306e\u5024\u3001\u304a\u3088\u3073\u6700\u3082\u3088\u304f\u77e5\u3089\u308c\u3066\u3044\u308b\u89e3 (\u771f\u306b\u6700\u5927\u306e\u89e3\u3067\u3042\u308b\u5834\u5408\u306f\u592a\u5b57\u3067\u793a\u3055\u308c\u307e\u3059) \u306e\u5024\u3092\u307e\u3068\u3081\u305f\u3082\u306e\u3067\u3059\u3002<\/p>
\u884c\u6570<\/th>1<\/th> 2<\/th> 3<\/th> 4<\/th> 5<\/th> 6<\/th> 7<\/th> 8<\/th> 9<\/th> 10<\/th> 11<\/th> 12<\/th> 13<\/th> 14<\/th> 15<\/th> 16<\/th> 17<\/th> 18<\/th> 19<\/th> 20<\/th> 21<\/th><\/tr>
\u4e0a\u9650<\/th>\u2014<\/td> \u2014<\/td> 1<\/td> 2<\/td> 5<\/td> 7<\/td> 11<\/td> 15<\/td> 21<\/td> 26<\/td> 33<\/td> 40<\/td> 47<\/td> 55<\/td> 65<\/td> 74<\/td> 85<\/td> 95<\/td> 107<\/td> 119<\/td> 133<\/td><\/tr>
\u6700\u3082\u3088\u304f\u77e5\u3089\u308c\u305f\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3<\/th>0<\/b><\/td> 0<\/b><\/td> 1<\/b><\/td> 2<\/b><\/td> 5<\/b><\/td> 7<\/b><\/td> 11<\/b><\/td> 15<\/b><\/td> 21<\/b><\/td> 25<\/td> 32<\/td> 38<\/td> 47<\/b><\/td> 53<\/td> 65<\/b><\/td> 72<\/td> 85<\/b><\/td> 93<\/td> 104<\/td> 115<\/td> 130<\/td><\/tr><\/table>

\u6574\u6570\u5217\u306e\u96fb\u5b50\u767e\u79d1\u4e8b\u5178\u3067\u306f\u3001\u3053\u306e\u5217\u306f\u756a\u53f7 A006066 \u306b\u5206\u985e\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p><\/div>

\n\"\u30b3\u30fc\u30dc\u30f3\u30c8\u30e9\u30a4\u30a2\u30f3\u30b0\u30eb\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u89e3\u8aac\"<\/figure>

\u53c2\u8003\u8cc7\u6599<\/h2>
  1. Kobon-Dreiecke \u2013 allemand<\/a><\/li>
  2. Kobon triangle problem \u2013 anglais<\/a><\/li>
  3. \u0645\u0633\u0626\u0644\u0647 \u0645\u062b\u0644\u062b \u0641\u0648\u062c\u06cc\u0645\u0648\u0631\u0627 \u2013 persan<\/a><\/li>
  4. \u85e4\u6751\u306e\u4e09\u89d2\u5f62\u554f\u984c \u2013 japonais<\/a><\/li>
  5. \uace0\ubcf8 \uc0bc\uac01\ud615 \u2013 cor\u00e9en<\/a><\/li>
  6. \u0417\u0430\u0434\u0430\u0447\u0430 \u041a\u043e\u0431\u043e\u043d\u0430 \u043e \u0442\u0440\u0435\u0443\u0433\u043e\u043b\u044c\u043d\u0438\u043a\u0430\u0445 \u2013 russe<\/a><\/li><\/ol><\/div>\n
    \n

    \n \u30b3\u30fc\u30dc\u30f3\u30c8\u30e9\u30a4\u30a2\u30f3\u30b0\u30eb\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u89e3\u8aac\u30fb\u95a2\u9023\u52d5\u753b\n <\/h2>\n
    \n \n
    \n
    \n