美しい整数の世界 (780ﾚｽ)
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762: [age] 2024/11/28(木) 21:18:42.36 ID:tl42a9XE(4/7)調 AA×


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762: [age] 2024/11/28(木) 21:18:42.36 ID:tl42a9XE ◆原始ピタゴラス数y=x+7 直角を挟む2辺 table[floor[(1/4){((-1)^n+5√2) (1+√2)^(2floor[(n+1)/2])}]+a(-1)^a,{n,1,30},{a,3,4}] {{5, 12}, {8, 15}, {48, 55}, {65, 72}, {297, 304}, {396, 403}, {1748, 1755}, {2325, 2332}, {10205, 10212}, {13568, 13575}, {59496, 59503}, {79097, 79104}, {346785, 346792}, {461028, 461035}, {2021228, 2021235}, {2687085, 2687092}, {11780597, 11780604}, {15661496, 15661503}, {68662368, 68662375}, {91281905, 91281912}, {400193625, 400193632}, {532029948, 532029955}, {2332499396, 2332499403}, {3100897797, 3100897804}, {13594802765, 13594802772}, {18073356848, 18073356855}, {79236317208, 79236317215}, {105339243305, 105339243312}, {461823100497, 461823100504}, {613962102996, 613962103003}} ★ http://rio2016.5ch.net/test/read.cgi/math/1686749616/762
原始ピタゴラス数 直角を挟む辺

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