A055267 as tables, graphs or sounds

A055267 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`7`
`2`		`20`
`3`		`53`
`4`		`139`
`5`		`364`
`6`		`953`
`7`		`2495`
`8`		`6532`
`9`		`17101`
`10`		`44771`
`11`		`117212`
`12`		`306865`
`13`		`803383`
`14`		`2103284`
`15`		`5506469`
`16`		`14416123`
`17`		`37741900`
`18`		`98809577`
`19`		`258686831`
`20`		`677250916`
`21`		`1773065917`
`22`		`4641946835`
`23`		`12152774588`
`24`		`31816376929`
`25`		`83296356199`

[1,7,20,53,139,364,953,2495,6532,17101,44771, 117212,306865,803383,2103284,5506469,14416123, 37741900,98809577,258686831,677250916,1773065917, 4641946835,12152774588,31816376929,83296356199]

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

AT&T Labs Research