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 A373667 #10 Jun 13 2024 08:15:45
%S A373667 1,1,1,16,61,676,5701,60376,798841,9635536,160878601,2367914176,
%T A373667 44902245301,807083463616,16799688310861,358223448539776,
%U A373667 8158048770370801,199405713714155776,4987832102850957841,135848995301247809536,3737769145322321702701
%N A373667 Expansion of e.g.f. exp(x / (1 - x^2)^(5/2)).
%F A373667 a(n) = n! * Sum_{k=0..floor(n/2)} binomial(5*n/2-4*k-1,k)/(n-2*k)!.
%F A373667 a(n) == 1 (mod 15).
%o A373667 (PARI) a(n) = n!*sum(k=0, n\2, binomial(5*n/2-4*k-1, k)/(n-2*k)!);
%Y A373667 Cf. A012150, A088009, A373619, A373620, A373668.
%K A373667 nonn
%O A373667 0,4
%A A373667 _Seiichi Manyama_, Jun 13 2024