A014431 as tables, graphs or sounds

A014431 formatted as a simple table:

`n`		`a(n)`
`1`		`1`
`2`		`2`
`3`		`2`
`4`		`6`
`5`		`14`
`6`		`42`
`7`		`122`
`8`		`382`
`9`		`1206`
`10`		`3922`
`11`		`12914`
`12`		`43190`
`13`		`145950`
`14`		`498170`
`15`		`1714026`
`16`		`5940014`
`17`		`20712646`
`18`		`72623266`
`19`		`255875298`
`20`		`905477734`
`21`		`3216853294`
`22`		`11469069258`
`23`		`41023019098`
`24`		`147166210014`
`25`		`529374272470`
`26`		`1908965352434`
`27`		`6899707805522`

[1,2,2,6,14,42,122,382,1206,3922,12914,43190, 145950,498170,1714026,5940014,20712646,72623266, 255875298,905477734,3216853294,11469069258, 41023019098,147166210014,529374272470, 1908965352434,6899707805522]

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

AT&T Labs Research