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%I #6 Jan 13 2024 13:21:31
%S 4,24,41,43,44,58,67,88,92,99,101,112,122,131,148,149,152,158,164,175,
%T 180,184,188,189,207,211,213,217,236,252,277,282,287,289,304,307,313,
%U 314,318,321,328,338,340,350,360,374,397,404
%N Position of n-th 5 in A031111.
%t Flatten[Position[Flatten[IntegerDigits[#,9]&/@Fibonacci[Range[100]]],5]]-1 (* _Harvey P. Dale_, Jan 13 2024 *)
%K nonn
%O 1,1
%A _Clark Kimberling_