A057991 as tables, graphs or sounds

A057991 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`1`
`3`		`5`
`4`		`35`
`5`		`1411`
`6`		`1130531`
`7`		`12198455835`
`8`		`2697818331680661`
`9`		`15224734061438247321497`
`10`		`2750892211809150446995735533513`
`11`		`19464657391668924966791023043937578299025`

[1,1,1,5,35,1411,1130531,12198455835, 2697818331680661,15224734061438247321497, 2750892211809150446995735533513, 19464657391668924966791023043937578299025]

Last modified December 4 23:11 EST 2009. Contains 170347 sequences.

AT&T Labs Research