A006772 as tables, graphs or sounds

A006772 formatted as a simple table:

`n`		`a(n)`
`1`		`1`
`2`		`3`
`3`		`14`
`4`		`70`
`5`		`370`
`6`		`2028`
`7`		`11452`
`8`		`66172`
`9`		`389416`
`10`		`2326202`
`11`		`14070268`
`12`		`86010680`
`13`		`530576780`
`14`		`3298906810`
`15`		`20653559846`
`16`		`130099026600`
`17`		`823979294284`
`18`		`5244162058026`
`19`		`33523117491920`
`20`		`215150177410088`

[1,3,14,70,370,2028,11452,66172,389416,2326202, 14070268,86010680,530576780,3298906810, 20653559846,130099026600,823979294284, 5244162058026,33523117491920,215150177410088]

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

AT&T Labs Research