A110372 a(n) = F(n+1)!/F(n)! where F(n) = n-th Fibonacci number.

1, 2, 3, 20, 336, 154440, 8204716800, 5778574175582208000, 43004718293359780142729736192000000, 1300207208378579462193856077468752280037294977727353323520000000

Offset

1,2

Links

Table of n, a(n) for n=1..10.

Example

a(5) = 8!/5! = 336.

Maple

with(combinat): seq(fibonacci(n+1)!/fibonacci(n)!, n=1..11); # Emeric Deutsch, Jul 25 2005

Crossrefs

Cf. A060001.

Sequence in context: A177946 A006246 A349600 * A292866 A132421 A132500

Adjacent sequences: A110369 A110370 A110371 * A110373 A110374 A110375

Keyword

easy,nonn

Author

Amarnath Murthy, Jul 24 2005

Extensions

More terms from Emeric Deutsch, Jul 25 2005

Status

approved