A080021 as tables, graphs or sounds

A080021 formatted as a simple table:

`n`		`a(n)`
`0`		`2`
`1`		`3`
`2`		`7`
`3`		`20`
`4`		`148`
`5`		`403`
`6`		`1096`
`7`		`1097`
`8`		`2980`
`9`		`2981`
`10`		`8103`
`11`		`59874`
`12`		`162755`
`13`		`442413`
`14`		`1202604`
`15`		`3269017`
`16`		`8886110`
`17`		`8886111`
`18`		`24154952`
`19`		`24154953`
`20`		`65659969`
`21`		`178482301`
`22`		`3584912846`
`23`		`9744803446`
`24`		`26489122130`
`25`		`72004899337`
`26`		`195729609428`

[2,3,7,20,148,403,1096,1097,2980,2981,8103,59874, 162755,442413,1202604,3269017,8886110,8886111, 24154952,24154953,65659969,178482301,3584912846, 9744803446,26489122130,72004899337,195729609428]

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

AT&T Labs Research