A002320 as tables, graphs or sounds

A002320 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`3`
`2`		`14`
`3`		`67`
`4`		`321`
`5`		`1538`
`6`		`7369`
`7`		`35307`
`8`		`169166`
`9`		`810523`
`10`		`3883449`
`11`		`18606722`
`12`		`89150161`
`13`		`427144083`
`14`		`2046570254`
`15`		`9805707187`
`16`		`46981965681`
`17`		`225104121218`
`18`		`1078538640409`
`19`		`5167589080827`
`20`		`24759406763726`
`21`		`118629444737803`

[1,3,14,67,321,1538,7369,35307,169166,810523, 3883449,18606722,89150161,427144083,2046570254, 9805707187,46981965681,225104121218,1078538640409, 5167589080827,24759406763726,118629444737803]

Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

AT&T Labs Research