A130718 2*(prime(n)-2)!.

2, 2, 12, 240, 725760, 79833600, 2615348736000, 711374856192000, 102181884343418880000, 21777738900836704321536000000, 17683523987479403909087232000000

Offset

1,1

Links

Table of n, a(n) for n=1..11.

Mathematica

Table[2*(Prime[n] - 2)!, {n, 1, 23}]

Crossrefs

Sequence in context: A032152 A032057 A364774 * A268528 A173331 A074477

Adjacent sequences: A130715 A130716 A130717 * A130719 A130720 A130721

Keyword

easy,nonn

Author

Giovanni Teofilatto, Jul 03 2007

Extensions

Edited and extended by Stefan Steinerberger, Jul 13 2007

Status

approved