A031273 - OEIS

%I #6 Oct 10 2024 15:23:31

%S 3,7,9,18,23,28,29,44,49,54,62,64,72,74,89,90,100,104,105,112,113,117,

%T 127,133,138,140,147,166,168,175,180,181,184,186,187,191,195,209,216,

%U 220,228,229,242,246,249,253,256,272,276,277

%N Position of n-th 3 in A031269.

%t Position[Flatten[Table[IntegerDigits[Fibonacci[n+1],5],{n,50}]],3]//Flatten (* _Harvey P. Dale_, Oct 10 2024 *)

%K nonn,changed

%O 1,1

%A _Clark Kimberling_