A000831 as tables, graphs or sounds

A000831 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`2`
`2`		`4`
`3`		`16`
`4`		`80`
`5`		`512`
`6`		`3904`
`7`		`34816`
`8`		`354560`
`9`		`4063232`
`10`		`51733504`
`11`		`724566016`
`12`		`11070525440`
`13`		`183240753152`
`14`		`3266330312704`
`15`		`62382319599616`
`16`		`1270842139934720`
`17`		`27507470234550272`
`18`		`630424777638805504`

[1,2,4,16,80,512,3904,34816,354560,4063232, 51733504,724566016,11070525440,183240753152, 3266330312704,62382319599616,1270842139934720, 27507470234550272,630424777638805504]

Last modified December 5 08:23 EST 2009. Contains 170348 sequences.

AT&T Labs Research