A055269 as tables, graphs or sounds

A055269 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`7`
`2`		`30`
`3`		`116`
`4`		`437`
`5`		`1635`
`6`		`6106`
`7`		`22792`
`8`		`85065`
`9`		`317471`
`10`		`1184822`
`11`		`4421820`
`12`		`16502461`
`13`		`61588027`
`14`		`229849650`
`15`		`857810576`
`16`		`3201392657`
`17`		`11947760055`
`18`		`44589647566`
`19`		`166410830212`
`20`		`621053673285`

[1,7,30,116,437,1635,6106,22792,85065,317471, 1184822,4421820,16502461,61588027,229849650, 857810576,3201392657,11947760055,44589647566, 166410830212,621053673285]

Last modified November 30 13:13 EST 2009. Contains 167758 sequences.

AT&T Labs Research