%I #14 Jul 31 2019 16:30:25
%S 11,37,38,45,50,65,83,85,88,100,104,111,119,140,149,152,199,204,209,
%T 218,226,263,266,280,287,317,318,325,335,342,357,358,363,374,380,386,
%U 391,394,397,399,415,422,436,440
%N Positions of 7's in the decimal expansion of (1+sqrt(5))/2.
%H G. C. Greubel, <a href="/A054293/b054293.txt">Table of n, a(n) for n = 1..10000</a>
%t Flatten[Position[RealDigits[GoldenRatio, 10, 500][[1]], 7]] (* _G. C. Greubel_, Jul 31 2019 *)
%Y Cf. A001622.
%K nonn,base
%O 1,1
%A _Simon Plouffe_, Feb 20 2000
