A144068 as tables, graphs or sounds

A144068 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`4`
`2`		`26`
`3`		`148`
`4`		`843`
`5`		`4632`
`6`		`25124`
`7`		`133784`
`8`		`703553`
`9`		`3655340`
`10`		`18800886`
`11`		`95819580`
`12`		`484416675`
`13`		`2431094352`
`14`		`12120072472`
`15`		`60058765072`
`16`		`295959923287`
`17`		`1450980481036`
`18`		`7079894939166`
`19`		`34393241899772`
`20`		`166390593502701`
`21`		`801877654792696`
`22`		`3850469199935412`

[1,4,26,148,843,4632,25124,133784,703553,3655340, 18800886,95819580,484416675,2431094352, 12120072472,60058765072,295959923287, 1450980481036,7079894939166,34393241899772, 166390593502701,801877654792696,3850469199935412]

Last modified December 6 19:58 EST 2009. Contains 170429 sequences.

AT&T Labs Research