A001352 as tables, graphs or sounds

A001352 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`6`
`2`		`24`
`3`		`90`
`4`		`336`
`5`		`1254`
`6`		`4680`
`7`		`17466`
`8`		`65184`
`9`		`243270`
`10`		`907896`
`11`		`3388314`
`12`		`12645360`
`13`		`47193126`
`14`		`176127144`
`15`		`657315450`
`16`		`2453134656`
`17`		`9155223174`
`18`		`34167758040`
`19`		`127515808986`
`20`		`475895477904`
`21`		`1776066102630`
`22`		`6628368932616`
`23`		`24737409627834`

[1,6,24,90,336,1254,4680,17466,65184,243270, 907896,3388314,12645360,47193126,176127144, 657315450,2453134656,9155223174,34167758040, 127515808986,475895477904,1776066102630, 6628368932616,24737409627834]

Last modified December 17 13:29 EST 2009. Contains 170826 sequences.

AT&T Labs Research