A111180 Product_{k=1..n} prime(k)!.

1, 2, 12, 1440, 7257600, 289700167680000, 1803968969906847744000000, 641649083271157094762019815424000000000, 78053467161754909919949074014980107579424768000000000000

Offset

0,2

Links

Table of n, a(n) for n=0..8.

Example

2, 3, 5 and 7 are the first 4 primes. So a(4) = 2! * 3! * 5! * 7! = 2 *6 *120 *5040 = 7257600.

Mathematica

Table[ Product[ Prime[i]!, {i, n}], {n, 0, 8}] (* Robert G. Wilson v *)
FoldList[Times, 1, Prime[Range[10]]!] (* Harvey P. Dale, Apr 08 2012 *)

Crossrefs

Cf. A039716.

Sequence in context: A069714 A176391 A123743 * A235857 A085912 A085895

Adjacent sequences: A111177 A111178 A111179 * A111181 A111182 A111183

Keyword

easy,nonn

Author

Leroy Quet, Oct 22 2005

Extensions

More terms from Robert G. Wilson v, Oct 29 2005

Status

approved