A006318 as tables, graphs or sounds

A006318 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`2`
`2`		`6`
`3`		`22`
`4`		`90`
`5`		`394`
`6`		`1806`
`7`		`8558`
`8`		`41586`
`9`		`206098`
`10`		`1037718`
`11`		`5293446`
`12`		`27297738`
`13`		`142078746`
`14`		`745387038`
`15`		`3937603038`
`16`		`20927156706`
`17`		`111818026018`
`18`		`600318853926`
`19`		`3236724317174`
`20`		`17518619320890`
`21`		`95149655201962`
`22`		`518431875418926`

[1,2,6,22,90,394,1806,8558,41586,206098,1037718, 5293446,27297738,142078746,745387038,3937603038, 20927156706,111818026018,600318853926, 3236724317174,17518619320890,95149655201962, 518431875418926]

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

AT&T Labs Research