A046212 as tables, graphs or sounds

A046212 formatted as a simple table:

`n`		`a(n)`
`1`		`1`
`2`		`1`
`3`		`1`
`4`		`6`
`5`		`1`
`6`		`30`
`7`		`1`
`8`		`140`
`9`		`1`
`10`		`630`
`11`		`1`
`12`		`2772`
`13`		`1`
`14`		`12012`
`15`		`1`
`16`		`51480`
`17`		`1`
`18`		`218790`
`19`		`1`
`20`		`923780`
`21`		`1`
`22`		`3879876`
`23`		`1`
`24`		`16224936`
`25`		`1`
`26`		`67603900`
`27`		`1`
`28`		`280816200`
`29`		`1`
`30`		`1163381400`
`31`		`1`
`32`		`4808643120`
`33`		`1`
`34`		`19835652870`
`35`		`1`
`36`		`81676217700`
`37`		`1`
`38`		`335780006100`
`39`		`1`
`40`		`1378465288200`
`41`		`1`

[1,1,1,6,1,30,1,140,1,630,1,2772,1,12012,1,51480, 1,218790,1,923780,1,3879876,1,16224936,1,67603900, 1,280816200,1,1163381400,1,4808643120,1, 19835652870,1,81676217700,1,335780006100,1, 1378465288200,1]

Last modified November 27 22:38 EST 2009. Contains 167602 sequences.

AT&T Labs Research