A006480 as tables, graphs or sounds

A006480 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`6`
`2`		`90`
`3`		`1680`
`4`		`34650`
`5`		`756756`
`6`		`17153136`
`7`		`399072960`
`8`		`9465511770`
`9`		`227873431500`
`10`		`5550996791340`
`11`		`136526995463040`
`12`		`3384731762521200`
`13`		`84478098072866400`
`14`		`2120572665910728000`
`15`		`53494979785374631680`
`16`		`1355345464406015082330`

[1,6,90,1680,34650,756756,17153136,399072960, 9465511770,227873431500,5550996791340, 136526995463040,3384731762521200, 84478098072866400,2120572665910728000, 53494979785374631680,1355345464406015082330]

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

AT&T Labs Research