A374867 Obverse convolution (2n+1)**A000045; see Comments.

1, 6, 40, 504, 8640, 221760, 8087040, 426888000, 32620363776, 3648685824000, 602632706457600, 148439180079590400, 55016878371840000000, 30938118932878961836032, 26590262111772239462400000, 35154873540222607725345792000, 71898404594761985678156759040000

Offset: 0

Author

Clark Kimberling, Aug 28 2024

Keywords

• nonn

Comments

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

Crossrefs

Cf. A005408, A000045, A374848.

Programs

Mathematica

s[n_] := 2 n + 1; t[n_] := Fibonacci[n];
u[n_] := Product[s[k] + t[n - k], {k, 0, n}]
Table[u[n], {n, 0, 20}]