%I #16 Mar 22 2020 08:03:15
%S 4,8,10,31,48,51,61,90,109,130,131,133,141,143,158,172,177,178,179,
%T 191,210,213,225,240,252,256,272,304,315,316,325,338,345,355,367,370,
%U 379,389,394,404,411,413,415,419,444,448,466,470,474,476,515,534,562
%N Positions of the digit '5' in the decimal expansion of Pi.
%H Amiram Eldar, <a href="/A037004/b037004.txt">Table of n, a(n) for n = 1..10000</a>
%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/PiDigits.html">Pi Digits.</a>
%t Flatten @ Position[ RealDigits[Pi - 3, 10, 500][[1]], 5] (* _Robert G. Wilson v_, Mar 07 2011 *)
%Y Cf. A036974.
%Y Cf. A037000, A037001, A037002, A037003, A037005, A036974, A037006, A037007, A037008.
%K base,nonn
%O 1,1
%A Nicolau C. Saldanha (nicolau(AT)mat.puc-rio.br)