A149247 as tables, graphs or sounds

A149247 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`4`
`3`		`11`
`4`		`38`
`5`		`116`
`6`		`440`
`7`		`1453`
`8`		`5530`
`9`		`18794`
`10`		`72792`
`11`		`257238`
`12`		`992644`
`13`		`3549594`
`14`		`13853496`
`15`		`50447453`
`16`		`196718714`
`17`		`721500978`
`18`		`2829371848`
`19`		`10503154516`
`20`		`41147601932`
`21`		`153417689174`
`22`		`603530012488`
`23`		`2267966093122`
`24`		`8917294536916`
`25`		`33615803655530`
`26`		`132535696401192`
`27`		`502544406495538`
`28`		`1980452388616776`

[1,1,4,11,38,116,440,1453,5530,18794,72792,257238, 992644,3549594,13853496,50447453,196718714, 721500978,2829371848,10503154516,41147601932, 153417689174,603530012488,2267966093122, 8917294536916,33615803655530,132535696401192, 502544406495538,1980452388616776]

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

AT&T Labs Research