A055849 as tables, graphs or sounds

A055849 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`9`
`2`		`26`
`3`		`69`
`4`		`181`
`5`		`474`
`6`		`1241`
`7`		`3249`
`8`		`8506`
`9`		`22269`
`10`		`58301`
`11`		`152634`
`12`		`399601`
`13`		`1046169`
`14`		`2738906`
`15`		`7170549`
`16`		`18772741`
`17`		`49147674`
`18`		`128670281`
`19`		`336863169`
`20`		`881919226`
`21`		`2308894509`
`22`		`6044764301`
`23`		`15825398394`
`24`		`41431430881`
`25`		`108468894249`

[1,9,26,69,181,474,1241,3249,8506,22269,58301, 152634,399601,1046169,2738906,7170549,18772741, 49147674,128670281,336863169,881919226,2308894509, 6044764301,15825398394,41431430881,108468894249]

Last modified December 15 00:47 EST 2009. Contains 170825 sequences.

AT&T Labs Research