A374654 a(n) = Product_{k=0..n} L(k)+1, where L=A000032 (Lucas numbers).

3, 6, 24, 120, 960, 11520, 218880, 6566400, 315187200, 24269414400, 3009407385600, 601881477120000, 194407717109760000, 101480828331294720000, 85649819111612743680000, 116912003087351395123200000, 258141702816871880432025600000

Offset: 0

Author

Clark Kimberling, Jul 25 2024

Keywords

• nonn

Crossrefs

Cf. A000032, A000142, A003266, A070825, A082480, A135407, A374655.

Programs

Mathematica

w[n_] := Product[LucasL[k] + 1, {k, 0, n}]
Table[w[n], {n, 0, 20}]

Formula

a(n) = Product_{k=0..n} L(k)+1, where L=A000032 (Lucas numbers).