A131467 as tables, graphs or sounds

A131467 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`2`
`2`		`5`
`3`		`12`
`4`		`34`
`5`		`116`
`6`		`449`
`7`		`1897`
`8`		`8469`
`9`		`38959`
`10`		`182511`
`11`		`865612`
`12`		`4140438`
`13`		`19937335`
`14`		`96519210`
`15`		`469387311`
`16`		`2291623939`
`17`		`11226534301`
`18`		`55165698564`
`19`		`271816734576`
`20`		`1342610043518`

[1,2,5,12,34,116,449,1897,8469,38959,182511, 865612,4140438,19937335,96519210,469387311, 2291623939,11226534301,55165698564,271816734576, 1342610043518]

Last modified December 5 08:23 EST 2009. Contains 170348 sequences.

AT&T Labs Research