A131037 as tables, graphs or sounds

A131037 formatted as a simple table:

`n`		`a(n)`
`0`		`0`
`1`		`0`
`2`		`0`
`3`		`0`
`4`		`10`
`5`		`40`
`6`		`90`
`7`		`230`
`8`		`570`
`9`		`1390`
`10`		`3360`
`11`		`8110`
`12`		`19600`
`13`		`47320`
`14`		`114240`
`15`		`275800`
`16`		`665850`
`17`		`1607520`
`18`		`3880890`
`19`		`9369310`
`20`		`22619530`
`21`		`54608390`
`22`		`131836320`
`23`		`318281030`
`24`		`768398400`
`25`		`1855077840`
`26`		`4478554080`
`27`		`10812186000`
`28`		`26102926090`
`29`		`63018038200`

[0,0,0,0,10,40,90,230,570,1390,3360,8110,19600, 47320,114240,275800,665850,1607520,3880890, 9369310,22619530,54608390,131836320,318281030, 768398400,1855077840,4478554080,10812186000, 26102926090,63018038200]

Last modified December 18 21:37 EST 2009. Contains 171024 sequences.

AT&T Labs Research