A006930 as tables, graphs or sounds

A006930 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`2`
`2`		`5`
`3`		`14`
`4`		`42`
`5`		`131`
`6`		`420`
`7`		`1376`
`8`		`4589`
`9`		`15537`
`10`		`53293`
`11`		`184881`
`12`		`647752`
`13`		`2289215`
`14`		`8152147`
`15`		`29226618`
`16`		`105408688`
`17`		`382193502`
`18`		`1392377762`
`19`		`5094356032`
`20`		`18711122069`
`21`		`68965586862`
`22`		`255006331944`
`23`		`945662753514`

[1,2,5,14,42,131,420,1376,4589,15537,53293,184881, 647752,2289215,8152147,29226618,105408688, 382193502,1392377762,5094356032,18711122069, 68965586862,255006331944,945662753514]

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

AT&T Labs Research