A002619 as tables, graphs or sounds

A002619 formatted as a simple table:

`n`		`a(n)`
`1`		`1`
`2`		`1`
`3`		`2`
`4`		`3`
`5`		`8`
`6`		`24`
`7`		`108`
`8`		`640`
`9`		`4492`
`10`		`36336`
`11`		`329900`
`12`		`3326788`
`13`		`36846288`
`14`		`444790512`
`15`		`5811886656`
`16`		`81729688428`
`17`		`1230752346368`
`18`		`19760413251956`
`19`		`336967037143596`
`20`		`6082255029733168`
`21`		`115852476579940152`
`22`		`2322315553428424200`
`23`		`48869596859895986108`

[1,1,2,3,8,24,108,640,4492,36336,329900,3326788, 36846288,444790512,5811886656,81729688428, 1230752346368,19760413251956,336967037143596, 6082255029733168,115852476579940152, 2322315553428424200,48869596859895986108]

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

AT&T Labs Research