A027984 as tables, graphs or sounds

A027984 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`6`
`2`		`20`
`3`		`58`
`4`		`161`
`5`		`436`
`6`		`1165`
`7`		`3088`
`8`		`8146`
`9`		`21426`
`10`		`56255`
`11`		`147538`
`12`		`386681`
`13`		`1013026`
`14`		`2653240`
`15`		`6948058`
`16`		`18193141`
`17`		`47634936`
`18`		`124717445`
`19`		`326526748`
`20`		`854877926`
`21`		`2238131506`
`22`		`5859556195`
`23`		`15340601158`
`24`		`40162350961`
`25`		`105146619486`
`26`		`275277778940`

[1,6,20,58,161,436,1165,3088,8146,21426,56255, 147538,386681,1013026,2653240,6948058,18193141, 47634936,124717445,326526748,854877926,2238131506, 5859556195,15340601158,40162350961,105146619486, 275277778940]

Last modified December 20 00:58 EST 2009. Contains 171054 sequences.

AT&T Labs Research