A006534 as tables, graphs or sounds

A006534 formatted as a simple table:

`n`		`a(n)`
`1`		`1`
`2`		`1`
`3`		`1`
`4`		`4`
`5`		`6`
`6`		`19`
`7`		`43`
`8`		`120`
`9`		`307`
`10`		`866`
`11`		`2336`
`12`		`6588`
`13`		`18373`
`14`		`52119`
`15`		`147700`
`16`		`422016`
`17`		`1207477`
`18`		`3471067`
`19`		`9999135`
`20`		`28893560`
`21`		`83665729`
`22`		`242826187`
`23`		`706074369`
`24`		`2056870697`
`25`		`6001555275`
`26`		`17538335077`
`27`		`51323792789`
`28`		`150390053432`

[1,1,1,4,6,19,43,120,307,866,2336,6588,18373, 52119,147700,422016,1207477,3471067,9999135, 28893560,83665729,242826187,706074369,2056870697, 6001555275,17538335077,51323792789,150390053432]

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

AT&T Labs Research