A003230 as tables, graphs or sounds

A003230 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`4`
`2`		`11`
`3`		`28`
`4`		`67`
`5`		`152`
`6`		`335`
`7`		`724`
`8`		`1539`
`9`		`3232`
`10`		`6727`
`11`		`13900`
`12`		`28555`
`13`		`58392`
`14`		`118959`
`15`		`241604`
`16`		`489459`
`17`		`989520`
`18`		`1997015`
`19`		`4024508`
`20`		`8100699`
`21`		`16289032`
`22`		`32726655`
`23`		`65705268`
`24`		`131837763`
`25`		`264399936`
`26`		`530028199`
`27`		`1062139180`
`28`		`2127809963`

[1,4,11,28,67,152,335,724,1539,3232,6727,13900, 28555,58392,118959,241604,489459,989520,1997015, 4024508,8100699,16289032,32726655,65705268, 131837763,264399936,530028199,1062139180, 2127809963]

Last modified December 17 23:40 EST 2009. Contains 171025 sequences.

AT&T Labs Research