A054309 - OEIS

%I #12 Jul 24 2019 02:02:17

%S 14,35,43,44,47,51,62,83,90,104,137,144,153,155,159,163,164,165,170,

%T 172,173,176,180,206,210,222,224,225,255,274,292,308,313,314,316,333,

%U 338,359,371,374,378,382,385,390

%N Positions of 3's in the decimal expansion of Euler's constant.

%H G. C. Greubel, <a href="/A054309/b054309.txt">Table of n, a(n) for n = 1..10000</a>

%t Position[RealDigits[EulerGamma,10,400][[1]],3]//Flatten (* _Harvey P. Dale_, Jan 28 2017 *)

%K nonn,base

%O 1,1

%A _Simon Plouffe_, Feb 20 2000