A006225 as tables, graphs or sounds

A006225 formatted as a simple table:

`n`		`a(n)`
`0`		`0`
`1`		`1`
`2`		`3`
`3`		`13`
`4`		`55`
`5`		`445`
`6`		`7121`
`7`		`113947`
`8`		`3646325`
`9`		`99147089`
`10`		`2050446459`
`11`		`125018193357`
`12`		`5616378432777`
`13`		`30417995237783`
`14`		`6566814307004221`
`15`		`383349575034664217`
`16`		`5168339287595575151`
`17`		`549730084897741831651`
`18`		`22737447826678001578373`

[0,1,3,13,55,445,7121,113947,3646325,99147089, 2050446459,125018193357,5616378432777, 30417995237783,6566814307004221, 383349575034664217,5168339287595575151, 549730084897741831651,22737447826678001578373]

Last modified December 2 11:54 EST 2009. Contains 167921 sequences.

AT&T Labs Research