A385630 a(n) = n! * Prod_{k=1..n} Fibonacci(k).

1, 1, 2, 12, 144, 3600, 172800, 15724800, 2641766400, 808380518400, 444609285120000, 435272490132480000, 752150862948925440000, 2278264963872295157760000, 12024682479317973842657280000, 110025844685759460660314112000000, 1737528139277513402747680456704000000

Offset

0,3

Links

Table of n, a(n) for n=0..16.

Formula

a(n) = A000142(n) * A003266(n).

Mathematica

Table[Factorial[n] Fibonorial[n], {n, 0, 16}]

Crossrefs

Cf. A000045, A000142, A003266.

Sequence in context: A010790 A321631 A221101 * A187748 A324140 A296137

Adjacent sequences: A385627 A385628 A385629 * A385631 A385632 A385633

Keyword

nonn

Author

Peter Luschny, Jul 05 2025

Status

approved