This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A120256 #13 Oct 11 2019 15:06:08
%S A120256 1,0,1,1,1,2,1,2,2,2,1,10,1,2,5,4,1,10,3,11,5,2,1,55,4,2,12,11,1,52,3,
%T A120256 8,5,2,5,133,7,4,5,46,3,52,1,27,22,6,1,260,6,40,5,11,3,100,13,78,27,6,
%U A120256 3,874,3,4,22,48,5,52,7,27,29,116,3,1319,3,8,36,23,13,116,3,444,112,4,1,1834
%N A120256 a(n) = number of terms in the n-th row of A120255(n) = number of terms in A001177 equal to n.
%H A120256 T. D. Noe, <a href="/A120256/b120256.txt">Table of n, a(n) for n=1..300</a>
%e A120256 Fibonacci(9) = 34; and the divisors of 34 are 1, 2, 17 and 34. Of these divisors, 1 and 2 divide earlier Fibonacci numbers, 17 and 34 do not. So a(9) = 2.
%t A120256 f[t_] := Append[t, Select[Divisors[Fibonacci[Length[t] + 1]], FreeQ[Flatten[t], # ] &]]; Length /@ Nest[f, {}, 85] (* _Ray Chandler_, Jun 14 2006 *)
%Y A120256 Cf. A120255, A001177.
%K A120256 nonn
%O A120256 1,6
%A A120256 _Leroy Quet_, Jun 13 2006
%E A120256 Extended by _Ray Chandler_, Jun 14 2006