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 A135954 #8 Feb 15 2025 07:38:51
%S A135954 24157817,44945570212853,1500520536206896083277,
%T A135954 50095301248058391139327916261,11463113765491467695340528626429782121,
%U A135954 30010821454963453907530667147829489881,2211236406303914545699412969744873993387956988653,103881042195729914708510518382775401680142036775841
%N A135954 Nonprime Fibonacci numbers with prime indices (A050937) that have exactly 3 prime factors.
%C A135954 Conjecture: All numbers in this sequence are products of three sums of two squares.
%t A135954 k = {}; Do[If[ !PrimeQ[Fibonacci[Prime[n]]], c = Length[FactorInteger[Fibonacci[Prime[n]]]]; If[c == 3, AppendTo[k, Fibonacci[Prime[n]]]]], {n, 1, 50}]; k
%o A135954 (PARI) f(n) = forprime(x=2, n, p=fibonacci(x); if(!isprime(p) && omega(p) == 3, print1(p", "))) \\ _Georg Fischer_, Feb 15 2025
%Y A135954 Cf. A000045, A001605, A050937, A075737, A090819, A134787, A134851, A134852, A135953, A135955, A135956, A135957.
%K A135954 nonn
%O A135954 1,1
%A A135954 _Artur Jasinski_, Dec 08 2007
%E A135954 a(6)-a(8) from _Georg Fischer_, Feb 15 2025