A107239 as tables, graphs or sounds

A107239 formatted as a simple table:

`n`		`a(n)`
`0`		`0`
`1`		`0`
`2`		`1`
`3`		`2`
`4`		`6`
`5`		`22`
`6`		`71`
`7`		`240`
`8`		`816`
`9`		`2752`
`10`		`9313`
`11`		`31514`
`12`		`106590`
`13`		`360606`
`14`		`1219935`
`15`		`4126960`
`16`		`13961456`
`17`		`47231280`
`18`		`159782161`
`19`		`540539330`
`20`		`1828631430`
`21`		`6186215574`
`22`		`20927817799`
`23`		`70798300288`
`24`		`239508933824`
`25`		`810252920400`
`26`		`2741065994769`

[0,0,1,2,6,22,71,240,816,2752,9313,31514,106590, 360606,1219935,4126960,13961456,47231280, 159782161,540539330,1828631430,6186215574, 20927817799,70798300288,239508933824,810252920400, 2741065994769]

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

AT&T Labs Research