A148573 as tables, graphs or sounds

A148573 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`3`
`3`		`6`
`4`		`20`
`5`		`49`
`6`		`172`
`7`		`484`
`8`		`1732`
`9`		`5162`
`10`		`18965`
`11`		`59680`
`12`		`220777`
`13`		`715673`
`14`		`2685204`
`15`		`8953384`
`16`		`33734326`
`17`		`114539085`
`18`		`435187894`
`19`		`1503531596`
`20`		`5729591256`
`21`		`20035479823`
`22`		`76771639039`
`23`		`271669011838`
`24`		`1043251861255`
`25`		`3723452781558`
`26`		`14354596419363`
`27`		`51678596017672`
`28`		`199560683860979`
`29`		`723042091109072`
`30`		`2800255744221056`

[1,1,3,6,20,49,172,484,1732,5162,18965,59680, 220777,715673,2685204,8953384,33734326,114539085, 435187894,1503531596,5729591256,20035479823, 76771639039,271669011838,1043251861255, 3723452781558,14354596419363,51678596017672, 199560683860979,723042091109072,2800255744221056]

Last modified December 1 19:22 EST 2009. Contains 167811 sequences.

AT&T Labs Research