A030236 as tables, graphs or sounds

A030236 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`2`
`2`		`7`
`3`		`18`
`4`		`49`
`5`		`136`
`6`		`377`
`7`		`1044`
`8`		`2891`
`9`		`8006`
`10`		`22171`
`11`		`61398`
`12`		`170029`
`13`		`470860`
`14`		`1303949`
`15`		`3611016`
`16`		`9999959`
`17`		`27692810`
`18`		`76689487`
`19`		`212375610`
`20`		`588130153`
`21`		`1628704336`
`22`		`4510358465`
`23`		`12490501212`
`24`		`34589849507`
`25`		`95789405774`
`26`		`265268869027`

[1,2,7,18,49,136,377,1044,2891,8006,22171,61398, 170029,470860,1303949,3611016,9999959,27692810, 76689487,212375610,588130153,1628704336, 4510358465,12490501212,34589849507,95789405774, 265268869027]

Last modified December 5 23:38 EST 2009. Contains 170428 sequences.

AT&T Labs Research