A374868 Obverse convolution (2n+1)**A000032; see Comments.

3, 10, 112, 1620, 39424, 1404000, 75841920, 6112753920, 742328893440, 136268470800000, 38081363493888000, 16296693648238080000, 10743612584546575319040, 10968661020433308192000000, 17425075496868344523423744000, 43253347261338355732569538560000

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, A000032, A374848.

Programs

Mathematica

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