A000571 as tables, graphs or sounds

A000571 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`1`
`3`		`2`
`4`		`4`
`5`		`9`
`6`		`22`
`7`		`59`
`8`		`167`
`9`		`490`
`10`		`1486`
`11`		`4639`
`12`		`14805`
`13`		`48107`
`14`		`158808`
`15`		`531469`
`16`		`1799659`
`17`		`6157068`
`18`		`21258104`
`19`		`73996100`
`20`		`259451116`
`21`		`915695102`
`22`		`3251073303`
`23`		`11605141649`
`24`		`41631194766`
`25`		`150021775417`
`26`		`542875459724`
`27`		`1972050156181`

[1,1,1,2,4,9,22,59,167,490,1486,4639,14805,48107, 158808,531469,1799659,6157068,21258104,73996100, 259451116,915695102,3251073303,11605141649, 41631194766,150021775417,542875459724, 1972050156181]

Last modified December 20 16:54 EST 2009. Contains 171081 sequences.

AT&T Labs Research