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 A104314 #9 Jul 26 2021 11:35:21
%S A104314 5,19,1974442362935339179,47705925773278538281,234692178470218983001
%N A104314 Prime coefficient of x^(2*k) in (x^4 + x^3 + x^2 + x + 1)^k for k in A104313.
%C A104314 a(6) > A005191(195315), if it exists. See A104313 for more information. - _Jinyuan Wang_, Jul 26 2021
%t A104314 f=1; Do[f=Expand[f*(x^4+x^3+x^2+x+1)]; s=Coefficient[f, x, 2n]; If[PrimeQ[s], Print[{n, s}]], {n, 100}]
%Y A104314 Cf. A005191 (pentanomial coefficients), A104312 (nontrivial prime quadrinomial coefficients), A104313.
%K A104314 nonn
%O A104314 1,1
%A A104314 _T. D. Noe_, Mar 01 2005