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 A346936 #5 Aug 08 2021 08:37:24
%S A346936 1,4,34,280,2529,23712,231879,2330160,23950320,250540836,2658968129,
%T A346936 28558319744,309831575759,3390416555996,37377257156716,
%U A346936 414741861215840,4628362722856424,51912988232308104,584909606696793884,6617078646710069720,75134301594081157746,855968478539048248916
%N A346936 a(n) = Sum_{d|n} mu(n/d) * binomial(5*d,d) / (4*d+1).
%C A346936 Moebius transform of A002294.
%t A346936 Table[Sum[MoebiusMu[n/d] Binomial[5 d, d]/(4 d + 1), {d, Divisors[n]}], {n, 22}]
%Y A346936 Cf. A002294, A002996, A008683, A346925, A346935, A346937, A346938, A346939.
%K A346936 nonn
%O A346936 1,2
%A A346936 _Ilya Gutkovskiy_, Aug 08 2021