A080041 as tables, graphs or sounds

A080041 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`2`
`2`		`7`
`3`		`20`
`4`		`55`
`5`		`152`
`6`		`415`
`7`		`1136`
`8`		`3103`
`9`		`8480`
`10`		`23167`
`11`		`63296`
`12`		`172927`
`13`		`472448`
`14`		`1290751`
`15`		`3526400`
`16`		`9634303`
`17`		`26321408`
`18`		`71911423`
`19`		`196465664`
`20`		`536754175`
`21`		`1466439680`
`22`		`4006387711`
`23`		`10945654784`
`24`		`29904084991`
`25`		`81699479552`
`26`		`223207129087`

[1,2,7,20,55,152,415,1136,3103,8480,23167,63296, 172927,472448,1290751,3526400,9634303,26321408, 71911423,196465664,536754175,1466439680, 4006387711,10945654784,29904084991,81699479552, 223207129087]

Last modified December 5 23:38 EST 2009. Contains 170428 sequences.

AT&T Labs Research