A002866 as tables, graphs or sounds

A002866 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`4`
`3`		`24`
`4`		`192`
`5`		`1920`
`6`		`23040`
`7`		`322560`
`8`		`5160960`
`9`		`92897280`
`10`		`1857945600`
`11`		`40874803200`
`12`		`980995276800`
`13`		`25505877196800`
`14`		`714164561510400`
`15`		`21424936845312000`
`16`		`685597979049984000`
`17`		`23310331287699456000`

[1,1,4,24,192,1920,23040,322560,5160960,92897280, 1857945600,40874803200,980995276800, 25505877196800,714164561510400,21424936845312000, 685597979049984000,23310331287699456000]

Last modified December 20 16:54 EST 2009. Contains 171081 sequences.

AT&T Labs Research