A089436 as tables, graphs or sounds

A089436 formatted as a simple table:

`n`		`a(n)`
`2`		`1`
`3`		`2`
`4`		`9`
`5`		`54`
`6`		`374`
`7`		`2820`
`8`		`22485`
`9`		`186494`
`10`		`1592778`
`11`		`13914108`
`12`		`123750874`
`13`		`1116809628`
`14`		`10201516332`
`15`		`94140605832`
`16`		`876332565837`
`17`		`8219124900558`
`18`		`77594375595266`
`19`		`736785675010380`
`20`		`7031930543228910`
`21`		`67420537625021460`
`22`		`649070964647075700`

[1,2,9,54,374,2820,22485,186494,1592778,13914108, 123750874,1116809628,10201516332,94140605832, 876332565837,8219124900558,77594375595266, 736785675010380,7031930543228910, 67420537625021460,649070964647075700]

Last modified December 11 12:57 EST 2009. Contains 170656 sequences.

AT&T Labs Research