A050231 as tables, graphs or sounds

A050231 formatted as a simple table:

`n`		`a(n)`
`1`		`0`
`2`		`0`
`3`		`1`
`4`		`3`
`5`		`8`
`6`		`20`
`7`		`47`
`8`		`107`
`9`		`238`
`10`		`520`
`11`		`1121`
`12`		`2391`
`13`		`5056`
`14`		`10616`
`15`		`22159`
`16`		`46023`
`17`		`95182`
`18`		`196132`
`19`		`402873`
`20`		`825259`
`21`		`1686408`
`22`		`3438828`
`23`		`6999071`
`24`		`14221459`
`25`		`28853662`
`26`		`58462800`
`27`		`118315137`
`28`		`239186031`
`29`		`483072832`
`30`		`974791728`
`31`		`1965486047`

[0,0,1,3,8,20,47,107,238,520,1121,2391,5056,10616, 22159,46023,95182,196132,402873,825259,1686408, 3438828,6999071,14221459,28853662,58462800, 118315137,239186031,483072832,974791728, 1965486047]

Last modified December 10 12:37 EST 2009. Contains 170569 sequences.

AT&T Labs Research