A145549 as tables, graphs or sounds

A145549 formatted as a simple table:

`n`		`a(n)`
`1`		`1`
`2`		`1`
`3`		`2`
`4`		`4`
`5`		`9`
`6`		`20`
`7`		`48`
`8`		`115`
`9`		`286`
`10`		`719`
`11`		`1842`
`12`		`4766`
`13`		`12485`
`14`		`32969`
`15`		`87795`
`16`		`235326`
`17`		`634664`
`18`		`1720573`
`19`		`4686829`
`20`		`12820504`
`21`		`35204254`
`22`		`97001655`
`23`		`268120807`
`24`		`743236814`
`25`		`2065709551`
`26`		`5755253457`

[1,1,2,4,9,20,48,115,286,719,1842,4766,12485, 32969,87795,235326,634664,1720573,4686829, 12820504,35204254,97001655,268120807,743236814, 2065709551,5755253457]

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

AT&T Labs Research