A009599 as tables, graphs or sounds

A009599 formatted as a simple table:

`n`		`a(n)`
`0`		`0`
`1`		`1`
`2`		`2`
`3`		`5`
`4`		`20`
`5`		`117`
`6`		`782`
`7`		`5441`
`8`		`39496`
`9`		`306921`
`10`		`2602682`
`11`		`24116413`
`12`		`241121564`
`13`		`2561633245`
`14`		`28613237382`
`15`		`334511450617`
`16`		`4089814554384`
`17`		`52302564139985`
`18`		`699179303859698`
`19`		`9751200460426357`
`20`		`141494250613386916`

[0,1,2,5,20,117,782,5441,39496,306921,2602682, 24116413,241121564,2561633245,28613237382, 334511450617,4089814554384,52302564139985, 699179303859698,9751200460426357, 141494250613386916]

Last modified December 5 08:23 EST 2009. Contains 170348 sequences.

AT&T Labs Research