A032004 as tables, graphs or sounds

A032004 formatted as a simple table:

`n`		`a(n)`
`1`		`1`
`2`		`1`
`3`		`1`
`4`		`7`
`5`		`15`
`6`		`105`
`7`		`855`
`8`		`7855`
`9`		`55975`
`10`		`560065`
`11`		`8413815`
`12`		`92433795`
`13`		`1445733485`
`14`		`21748130145`
`15`		`378156976785`
`16`		`6718626421035`
`17`		`128657800331555`
`18`		`2540367695055365`
`19`		`57535394030907155`
`20`		`1264457062012294015`

[1,1,1,7,15,105,855,7855,55975,560065,8413815, 92433795,1445733485,21748130145,378156976785, 6718626421035,128657800331555,2540367695055365, 57535394030907155,1264457062012294015]

Last modified November 30 13:13 EST 2009. Contains 167758 sequences.

AT&T Labs Research