A068051 as tables, graphs or sounds

A068051 formatted as a simple table:

`n`		`a(n)`
`1`		`1`
`2`		`2`
`3`		`4`
`4`		`9`
`5`		`20`
`6`		`49`
`7`		`118`
`8`		`300`
`9`		`765`
`10`		`1998`
`11`		`5255`
`12`		`14027`
`13`		`37670`
`14`		`102095`
`15`		`278262`
`16`		`763022`
`17`		`2101905`
`18`		`5816142`
`19`		`16153148`
`20`		`45017423`
`21`		`125836711`
`22`		`352723949`
`23`		`991143727`
`24`		`2791422887`
`25`		`7877935985`
`26`		`22275473767`
`27`		`63096075118`
`28`		`179012076933`

[1,2,4,9,20,49,118,300,765,1998,5255,14027,37670, 102095,278262,763022,2101905,5816142,16153148, 45017423,125836711,352723949,991143727,2791422887, 7877935985,22275473767,63096075118,179012076933]

Last modified December 15 00:47 EST 2009. Contains 170825 sequences.

AT&T Labs Research