This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A037004 #17 Feb 16 2025 08:32:37 %S A037004 4,8,10,31,48,51,61,90,109,130,131,133,141,143,158,172,177,178,179, %T A037004 191,210,213,225,240,252,256,272,304,315,316,325,338,345,355,367,370, %U A037004 379,389,394,404,411,413,415,419,444,448,466,470,474,476,515,534,562 %N A037004 Positions of the digit '5' in the decimal expansion of Pi. %H A037004 Amiram Eldar, <a href="/A037004/b037004.txt">Table of n, a(n) for n = 1..10000</a> %H A037004 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/PiDigits.html">Pi Digits.</a> %t A037004 Flatten @ Position[ RealDigits[Pi - 3, 10, 500][[1]], 5] (* _Robert G. Wilson v_, Mar 07 2011 *) %Y A037004 Cf. A036974. %Y A037004 Cf. A037000, A037001, A037002, A037003, A037005, A036974, A037006, A037007, A037008. %K A037004 base,nonn %O A037004 1,1 %A A037004 Nicolau C. Saldanha (nicolau(AT)mat.puc-rio.br)