A054295 - OEIS

%I #12 Jan 01 2024 14:16:34

%S 8,13,15,43,46,77,82,94,96,117,137,141,163,168,170,172,176,190,191,

%T 195,213,222,241,249,262,281,289,297,307,323,328,340,346,366,376,377,

%U 398,412,418,421,470,471,476,478

%N Positions of 9's in the decimal expansion of 1/2*(sqrt(5)+1).

%H Harvey P. Dale, <a href="/A054295/b054295.txt">Table of n, a(n) for n = 1..1000</a>

%t Flatten[Position[RealDigits[GoldenRatio,10,500][[1]],9]] (* _Harvey P. Dale_, Jan 16 2014 *)

%K nonn,base

%O 1,1

%A _Simon Plouffe_, Feb 20 2000