A051047 as tables, graphs or sounds

A051047 formatted as a simple table:

`n`		`a(n)`
`1`		`1`
`2`		`3`
`3`		`8`
`4`		`120`
`5`		`1680`
`6`		`23408`
`7`		`326040`
`8`		`4541160`
`9`		`63250208`
`10`		`880961760`
`11`		`12270214440`
`12`		`170902040408`
`13`		`2380358351280`
`14`		`33154114877520`
`15`		`461777249934008`
`16`		`6431727384198600`
`17`		`89582406128846400`
`18`		`1247721958419651008`

[1,3,8,120,1680,23408,326040,4541160,63250208, 880961760,12270214440,170902040408,2380358351280, 33154114877520,461777249934008,6431727384198600, 89582406128846400,1247721958419651008]

Last modified December 6 22:55 EST 2009. Contains 170429 sequences.

AT&T Labs Research