A077824 as tables, graphs or sounds

A077824 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`4`
`2`		`15`
`3`		`56`
`4`		`207`
`5`		`764`
`6`		`2819`
`7`		`10400`
`8`		`38367`
`9`		`141540`
`10`		`522155`
`11`		`1926280`
`12`		`7106231`
`13`		`26215564`
`14`		`96711715`
`15`		`356778736`
`16`		`1316190767`
`17`		`4855553204`
`18`		`17912598619`
`19`		`66081283800`
`20`		`243780155047`
`21`		`899328229980`
`22`		`3317707567635`
`23`		`12239339472960`
`24`		`45152090014111`
`25`		`166570364123524`

[1,4,15,56,207,764,2819,10400,38367,141540,522155, 1926280,7106231,26215564,96711715,356778736, 1316190767,4855553204,17912598619,66081283800, 243780155047,899328229980,3317707567635, 12239339472960,45152090014111,166570364123524]

Last modified December 13 23:45 EST 2009. Contains 170824 sequences.

AT&T Labs Research