A129550 as tables, graphs or sounds

A129550 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`8`
`3`		`20`
`4`		`98`
`5`		`293`
`6`		`1128`
`7`		`3409`
`8`		`10846`
`9`		`30480`
`10`		`84652`
`11`		`217677`
`12`		`544312`
`13`		`1289225`
`14`		`2961626`
`15`		`6528284`
`16`		`13980717`
`17`		`28963980`
`18`		`58464510`
`19`		`114806429`
`20`		`220298632`
`21`		`412950779`
`22`		`758418342`
`23`		`1365044296`
`24`		`2412766496`
`25`		`4189995629`
`26`		`7159916414`

[1,1,8,20,98,293,1128,3409,10846,30480,84652, 217677,544312,1289225,2961626,6528284,13980717, 28963980,58464510,114806429,220298632,412950779, 758418342,1365044296,2412766496,4189995629, 7159916414]

Last modified December 20 16:54 EST 2009. Contains 171081 sequences.

AT&T Labs Research