A067002 as tables, graphs or sounds

A067002 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`3`
`2`		`21`
`3`		`77`
`4`		`1155`
`5`		`4389`
`6`		`33649`
`7`		`129789`
`8`		`4023459`
`9`		`15646785`
`10`		`122044923`
`11`		`477084699`
`12`		`7474326951`
`13`		`29322359577`
`14`		`230389968105`
`15`		`906200541213`
`16`		`57090634096419`
`17`		`225004263791769`
`18`		`1775033636579511`
`19`		`7006711723340175`
`20`		`110706045228774765`

[1,3,21,77,1155,4389,33649,129789,4023459, 15646785,122044923,477084699,7474326951, 29322359577,230389968105,906200541213, 57090634096419,225004263791769,1775033636579511, 7006711723340175,110706045228774765]

Last modified December 10 12:37 EST 2009. Contains 170569 sequences.

AT&T Labs Research