A011818 as tables, graphs or sounds

A011818 formatted as a simple table:

`n`		`a(n)`
`1`		`1`
`2`		`3`
`3`		`16`
`4`		`115`
`5`		`1056`
`6`		`11774`
`7`		`154624`
`8`		`2337507`
`9`		`39984640`
`10`		`763546234`
`11`		`16101629952`
`12`		`371644257582`
`13`		`9319104528384`
`14`		`252270887452380`
`15`		`7332475985461248`
`16`		`227761317947788323`
`17`		`7529455986838732800`
`18`		`263948439074152148450`

[1,3,16,115,1056,11774,154624,2337507,39984640, 763546234,16101629952,371644257582,9319104528384, 252270887452380,7332475985461248, 227761317947788323,7529455986838732800, 263948439074152148450]

Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

AT&T Labs Research