A025169 as tables, graphs or sounds

A025169 formatted as a simple table:

`n`		`a(n)`
`0`		`2`
`1`		`6`
`2`		`16`
`3`		`42`
`4`		`110`
`5`		`288`
`6`		`754`
`7`		`1974`
`8`		`5168`
`9`		`13530`
`10`		`35422`
`11`		`92736`
`12`		`242786`
`13`		`635622`
`14`		`1664080`
`15`		`4356618`
`16`		`11405774`
`17`		`29860704`
`18`		`78176338`
`19`		`204668310`
`20`		`535828592`
`21`		`1402817466`
`22`		`3672623806`
`23`		`9615053952`
`24`		`25172538050`
`25`		`65902560198`
`26`		`172535142544`

[2,6,16,42,110,288,754,1974,5168,13530,35422, 92736,242786,635622,1664080,4356618,11405774, 29860704,78176338,204668310,535828592,1402817466, 3672623806,9615053952,25172538050,65902560198, 172535142544]

Last modified November 24 23:16 EST 2009. Contains 167481 sequences.

AT&T Labs Research