A056448 as tables, graphs or sounds

A056448 formatted as a simple table:

`n`		`a(n)`
`1`		`0`
`2`		`0`
`3`		`0`
`4`		`0`
`5`		`0`
`6`		`1`
`7`		`1`
`8`		`18`
`9`		`59`
`10`		`630`
`11`		`1681`
`12`		`28866`
`13`		`60083`
`14`		`757576`
`15`		`3514504`
`16`		`21423984`
`17`		`64372109`
`18`		`1024999170`
`19`		`2026631203`
`20`		`26920954613`
`21`		`105501588414`
`22`		`742299897060`
`23`		`1974251382095`
`24`		`31721456288956`
`25`		`74052852505684`

[0,0,0,0,0,1,1,18,59,630,1681,28866,60083,757576, 3514504,21423984,64372109,1024999170,2026631203, 26920954613,105501588414,742299897060, 1974251382095,31721456288956,74052852505684]

Last modified December 4 15:11 EST 2009. Contains 170347 sequences.

AT&T Labs Research