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 A374857 #4 Aug 17 2024 23:10:50 %S A374857 0,1,4,36,432,8000,216000,8668296,516311040,46066268160,6197083200000, %T A374857 1266665976576000,396044443339776000,190620194701725734400, %U A374857 142017680690039344619520,164583068009095149120000000,297947499870194922871259136000 %N A374857 Obverse convolution (n)**(Fibonacci(n)); see Comments. %C A374857 See A374848 for the definition of obverse convolution and a guide to related sequences. %t A374857 s[n_] := n; t[n_] := Fibonacci[n]; %t A374857 u[n_] := Product[s[k] + t[n - k], {k, 0, n}] %t A374857 Table[u[n], {n, 0, 20}] %Y A374857 Cf. A000027, A000045, A374654, A374655, A374848. %K A374857 nonn %O A374857 0,3 %A A374857 _Clark Kimberling_, Aug 05 2024