A049401 as tables, graphs or sounds

A049401 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`2`
`3`		`4`
`4`		`10`
`5`		`26`
`6`		`75`
`7`		`225`
`8`		`715`
`9`		`2347`
`10`		`7990`
`11`		`27908`
`12`		`99991`
`13`		`365587`
`14`		`1362310`
`15`		`5159208`
`16`		`19831101`
`17`		`77233517`
`18`		`304423574`
`19`		`1212962072`
`20`		`4881181036`
`21`		`19821471956`
`22`		`81165639197`
`23`		`334925706659`
`24`		`1391935877463`
`25`		`5823186349671`
`26`		`24511802558326`

[1,1,2,4,10,26,75,225,715,2347,7990,27908,99991, 365587,1362310,5159208,19831101,77233517, 304423574,1212962072,4881181036,19821471956, 81165639197,334925706659,1391935877463, 5823186349671,24511802558326]

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

AT&T Labs Research