A041881 as tables, graphs or sounds

A041881 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`2`
`2`		`85`
`3`		`172`
`4`		`7309`
`5`		`14790`
`6`		`628489`
`7`		`1271768`
`8`		`54042745`
`9`		`109357258`
`10`		`4647047581`
`11`		`9403452420`
`12`		`399592049221`
`13`		`808587550862`
`14`		`34360269185425`
`15`		`69529125921712`
`16`		`2954583557897329`
`17`		`5978696241716370`
`18`		`254059825709984869`

[1,2,85,172,7309,14790,628489,1271768,54042745, 109357258,4647047581,9403452420,399592049221, 808587550862,34360269185425,69529125921712, 2954583557897329,5978696241716370, 254059825709984869]

Last modified December 7 23:50 EST 2009. Contains 170430 sequences.

AT&T Labs Research