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 A135955 #3 Mar 31 2012 10:22:06
%S A135955 83621143489848422977,6161314747715278029583501626149,
%T A135955 289450641941273985495088042104137,5193981023518027157495786850488117,
%U A135955 66233869353085486281758142155705206899077
%N A135955 (Nonprime Fibonacci numbers with prime indices, A050937) which have exactly 4 prime factors.
%C A135955 Conjecture: All numbers in this sequence are products of four sums of two squares.
%t A135955 k = {}; Do[If[ !PrimeQ[Fibonacci[Prime[n]]], c = Length[FactorInteger[Fibonacci[Prime[n]]]]; If[c == 4, AppendTo[k, Fibonacci[Prime[n]]]]], {n, 1, 50}]; k
%Y A135955 Cf. A000045, A001605, A050937, A075737, A090819, A134787, A134851, A134852, A135953, A135954, A135956, A135957.
%K A135955 nonn
%O A135955 1,1
%A A135955 _Artur Jasinski_, Dec 08 2007