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 A374890 #5 Sep 15 2024 10:55:40
%S A374890 0,1,8,180,7200,510000,58810752,10721443824,3000030566400,
%T A374890 1271536241976000,808142435100000000,766737236353300692480,
%U A374890 1083811655995484233973760,2283119816756708041781760000,7179069918231931831907004518400,33781506659124051515150232000000000
%N A374890 Obverse convolution (n^2)**A000045; see Comments.
%C A374890 See A374848 for the definition of obverse convolution and a guide to related sequences.
%t A374890 s[n_] := n^2; t[n_] := Fibonacci[n];
%t A374890 u[n_] := Product[s[k] + t[n - k], {k, 0, n}]
%t A374890 Table[u[n], {n, 0, 20}]
%Y A374890 Cf. A000045, A000290, A374848.
%K A374890 nonn
%O A374890 0,3
%A A374890 _Clark Kimberling_, Sep 14 2024