A160568 as tables, graphs or sounds

A160568 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`0`
`2`		`1`
`3`		`3`
`4`		`1`
`5`		`9`
`6`		`19`
`7`		`18`
`8`		`91`
`9`		`165`
`10`		`271`
`11`		`990`
`12`		`1765`
`13`		`3843`
`14`		`11467`
`15`		`21630`
`16`		`53299`
`17`		`140724`
`18`		`287119`
`19`		`736101`
`20`		`1818235`
`21`		`3982044`
`22`		`10225117`
`23`		`24521409`
`24`		`56584243`
`25`		`143641017`
`26`		`341948179`
`27`		`816095982`
`28`		`2045559205`
`29`		`4888806237`
`30`		`11897144767`
`31`		`29540684052`

[1,0,1,3,1,9,19,18,91,165,271,990,1765,3843,11467, 21630,53299,140724,287119,736101,1818235,3982044, 10225117,24521409,56584243,143641017,341948179, 816095982,2045559205,4888806237,11897144767, 29540684052]

Last modified November 27 22:38 EST 2009. Contains 167602 sequences.

AT&T Labs Research