A120989 as tables, graphs or sounds

A120989 formatted as a simple table:

`n`		`a(n)`
`1`		`2`
`2`		`9`
`3`		`34`
`4`		`123`
`5`		`440`
`6`		`1573`
`7`		`5642`
`8`		`20332`
`9`		`73644`
`10`		`268090`
`11`		`980628`
`12`		`3603065`
`13`		`13293540`
`14`		`49234605`
`15`		`182991450`
`16`		`682341000`
`17`		`2551955340`
`18`		`9570762990`
`19`		`35985909180`
`20`		`135628219350`
`21`		`512302356384`
`22`		`1939078493154`
`23`		`7353556121924`
`24`		`27936898370248`

[2,9,34,123,440,1573,5642,20332,73644,268090, 980628,3603065,13293540,49234605,182991450, 682341000,2551955340,9570762990,35985909180, 135628219350,512302356384,1939078493154, 7353556121924,27936898370248]

Last modified November 29 12:46 EST 2009. Contains 167659 sequences.

AT&T Labs Research