A091526 as tables, graphs or sounds

A091526 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`-1`
`2`		`1`
`3`		`2`
`4`		`9`
`5`		`34`
`6`		`130`
`7`		`496`
`8`		`1897`
`9`		`7274`
`10`		`27966`
`11`		`107788`
`12`		`416394`
`13`		`1611908`
`14`		`6251596`
`15`		`24287212`
`16`		`94499689`
`17`		`368202778`
`18`		`1436458486`
`19`		`5610483532`
`20`		`21936442894`
`21`		`85852554748`
`22`		`336300861436`
`23`		`1318441228432`
`24`		`5172792817834`
`25`		`20309402206084`

[1,-1,1,2,9,34,130,496,1897,7274,27966,107788, 416394,1611908,6251596,24287212,94499689, 368202778,1436458486,5610483532,21936442894, 85852554748,336300861436,1318441228432, 5172792817834,20309402206084]

Last modified December 5 23:38 EST 2009. Contains 170428 sequences.

AT&T Labs Research