A064322 as tables, graphs or sounds

A064322 formatted as a simple table:

`n`		`a(n)`
`0`		`0`
`1`		`1`
`2`		`21`
`3`		`231`
`4`		`1540`
`5`		`7260`
`6`		`26796`
`7`		`82621`
`8`		`222111`
`9`		`536130`
`10`		`1186570`
`11`		`2445366`
`12`		`4747821`
`13`		`8763391`
`14`		`15487395`
`15`		`26357430`
`16`		`43398586`
`17`		`69401871`
`18`		`108140571`
`19`		`164629585`
`20`		`245433090`
`21`		`359026206`
`22`		`516216646`
`23`		`730632651`
`24`		`1019283825`

[0,1,21,231,1540,7260,26796,82621,222111,536130, 1186570,2445366,4747821,8763391,15487395,26357430, 43398586,69401871,108140571,164629585,245433090, 359026206,516216646,730632651,1019283825]

Last modified December 15 00:47 EST 2009. Contains 170825 sequences.

AT&T Labs Research