%I #10 Mar 21 2020 07:21:15
%S 2,10,18,41,45,50,64,65,82,97,99,101,103,113,116,133,147,170,172,175,
%T 178,191,251,252,255,265,275,285,295,297,304,329,333,340,346,350,379,
%U 385,399,410,418,432,433,443,459,473,485,493,494,509,515,519,553,558
%N Positions of 1 after decimal point in decimal expansion of 1/Pi.
%H Amiram Eldar, <a href="/A134251/b134251.txt">Table of n, a(n) for n = 1..10000</a>
%t Flatten @ Position[RealDigits[1/Pi, 10, 500][[1]], 1] (* _Amiram Eldar_, Mar 21 2020 *)
%Y Cf. A037000, A014777, A134251, A134252, A134253, A134254, A134255, A134256, A134257, A134258, A134259, A134260.
%K nonn,base
%O 1,1
%A _Artur Jasinski_, Oct 16 2007