A061922 as tables, graphs or sounds

A061922 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`2`
`3`		`5`
`4`		`14`
`5`		`42`
`6`		`132`
`7`		`421`
`8`		`1382`
`9`		`4478`
`10`		`15580`
`11`		`54114`
`12`		`181676`
`13`		`650484`
`14`		`2289320`
`15`		`8028901`
`16`		`28045302`
`17`		`103229014`
`18`		`372640460`
`19`		`1336511110`
`20`		`4882492452`
`21`		`17534836812`
`22`		`63692926552`
`23`		`234287550818`
`24`		`868236370364`
`25`		`3281589811404`

[1,1,2,5,14,42,132,421,1382,4478,15580,54114, 181676,650484,2289320,8028901,28045302,103229014, 372640460,1336511110,4882492452,17534836812, 63692926552,234287550818,868236370364, 3281589811404]

Last modified December 20 16:54 EST 2009. Contains 171081 sequences.

AT&T Labs Research