A002467 as tables, graphs or sounds

A002467 formatted as a simple table:

`n`		`a(n)`
`0`		`0`
`1`		`1`
`2`		`1`
`3`		`4`
`4`		`15`
`5`		`76`
`6`		`455`
`7`		`3186`
`8`		`25487`
`9`		`229384`
`10`		`2293839`
`11`		`25232230`
`12`		`302786759`
`13`		`3936227868`
`14`		`55107190151`
`15`		`826607852266`
`16`		`13225725636255`
`17`		`224837335816336`
`18`		`4047072044694047`
`19`		`76894368849186894`
`20`		`1537887376983737879`

[0,1,1,4,15,76,455,3186,25487,229384,2293839, 25232230,302786759,3936227868,55107190151, 826607852266,13225725636255,224837335816336, 4047072044694047,76894368849186894, 1537887376983737879]

Last modified December 10 12:37 EST 2009. Contains 170569 sequences.

AT&T Labs Research