A014137 as tables, graphs or sounds

A014137 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`2`
`2`		`4`
`3`		`9`
`4`		`23`
`5`		`65`
`6`		`197`
`7`		`626`
`8`		`2056`
`9`		`6918`
`10`		`23714`
`11`		`82500`
`12`		`290512`
`13`		`1033412`
`14`		`3707852`
`15`		`13402697`
`16`		`48760367`
`17`		`178405157`
`18`		`656043857`
`19`		`2423307047`
`20`		`8987427467`
`21`		`33453694487`
`22`		`124936258127`
`23`		`467995871777`
`24`		`1757900019101`

[1,2,4,9,23,65,197,626,2056,6918,23714,82500, 290512,1033412,3707852,13402697,48760367, 178405157,656043857,2423307047,8987427467, 33453694487,124936258127,467995871777, 1757900019101]

Last modified December 17 13:29 EST 2009. Contains 170826 sequences.

AT&T Labs Research