A374875 Obverse convolution (n!)**A000045; see Comments.

1, 2, 8, 108, 6048, 2016000, 4704480000, 90747697360320, 16354583259191654400, 30715766088740592418944000, 663127739407725552738699264000000, 179787972724005939376371515117626982400000, 664012371757346621597356008815791014131773440000000

Offset: 0

Author

Clark Kimberling, Sep 12 2024

Keywords

• nonn

Comments

See A374848 for the definition of obverse convolution and a guide to related sequences.

Crossrefs

Cf. A000045, A000142, A374848.

Programs

Mathematica

s[n_] := n!; t[n_] := Fibonacci[n];
u[n_] := Product[s[k] + t[n - k], {k, 0, n}]
Table[u[n], {n, 0, 13}]