A015641 as tables, graphs or sounds

A015641 formatted as a simple table:

`n`		`a(n)`
`2`		`0`
`3`		`0`
`4`		`0`
`5`		`0`
`6`		`1`
`7`		`6`
`8`		`21`
`9`		`56`
`10`		`125`
`11`		`251`
`12`		`456`
`13`		`786`
`14`		`1266`
`15`		`1980`
`16`		`2946`
`17`		`4311`
`18`		`6056`
`19`		`8436`
`20`		`11370`
`21`		`15231`
`22`		`19866`
`23`		`25851`
`24`		`32801`
`25`		`41655`
`26`		`51786`
`27`		`64366`
`28`		`78601`
`29`		`96151`
`30`		`115495`
`31`		`139246`
`32`		`165286`
`33`		`196541`
`34`		`230681`
`35`		`271585`
`36`		`315256`
`37`		`367616`
`38`		`423461`
`39`		`489011`

[0,0,0,0,1,6,21,56,125,251,456,786,1266,1980,2946, 4311,6056,8436,11370,15231,19866,25851,32801, 41655,51786,64366,78601,96151,115495,139246, 165286,196541,230681,271585,315256,367616,423461, 489011]

Last modified December 20 16:54 EST 2009. Contains 171081 sequences.

AT&T Labs Research