A100447 as tables, graphs or sounds

A100447 formatted as a simple table:

`n`		`a(n)`
`0`		`2`
`1`		`4`
`2`		`8`
`3`		`20`
`4`		`60`
`5`		`188`
`6`		`632`
`7`		`2192`
`8`		`7712`
`9`		`27596`
`10`		`99880`
`11`		`364724`
`12`		`1342184`
`13`		`4971068`
`14`		`18512792`
`15`		`69273668`
`16`		`260301176`
`17`		`981706832`
`18`		`3714566312`
`19`		`14096303344`
`20`		`53634713552`
`21`		`204560302844`
`22`		`781874936816`
`23`		`2994414645860`
`24`		`11488774559636`

[2,4,8,20,60,188,632,2192,7712,27596,99880,364724, 1342184,4971068,18512792,69273668,260301176, 981706832,3714566312,14096303344,53634713552, 204560302844,781874936816,2994414645860, 11488774559636]

Last modified December 17 19:39 EST 2009. Contains 170821 sequences.

AT&T Labs Research