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 A271356 #9 May 13 2016 03:42:09
%S A271356 4,5,1,8,2,13,1,2,21,2,3,34,2,1,5,55,3,2,8,89,5,1,2,13,144,8,2,3,21,
%T A271356 233,13,2,1,5,34,377,21,3,2,8,55,610,34,5,1,2,13,89,987,55,8,2,3,21,
%U A271356 144,1597,89,13,2,1,5,34,233,2584,144,21,3,2,8,55,377
%N A271356 Difference sequence of the sequence A271354 of the increasing sequence of products of two distinct Fibonacci numbers greater than 1.
%C A271356 Conjecture: every term except the first is a Fibonacci number.
%H A271356 Clark Kimberling, <a href="/A271356/b271356.txt">Table of n, a(n) for n = 1..1000</a>
%t A271356 z = 100; f[n_] := Fibonacci[n];
%t A271356 t = Take[Sort[Flatten[Table[f[m] f[n], {n, 3, z}, {m, 3, n - 1}]]], 1000];
%t A271356 Differences[t]
%Y A271356 Cf. A271354, A000045, A049998.
%K A271356 nonn,easy,look
%O A271356 1,1
%A A271356 _Clark Kimberling_, May 02 2016