A099867 as tables, graphs or sounds

A099867 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`9`
`2`		`44`
`3`		`211`
`4`		`1011`
`5`		`4844`
`6`		`23209`
`7`		`111201`
`8`		`532796`
`9`		`2552779`
`10`		`12231099`
`11`		`58602716`
`12`		`280782481`
`13`		`1345309689`
`14`		`6445765964`
`15`		`30883520131`
`16`		`147971834691`
`17`		`708975653324`
`18`		`3396906431929`
`19`		`16275556506321`
`20`		`77980876099676`
`21`		`373628823992059`

[1,9,44,211,1011,4844,23209,111201,532796,2552779, 12231099,58602716,280782481,1345309689,6445765964, 30883520131,147971834691,708975653324, 3396906431929,16275556506321,77980876099676, 373628823992059]

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

AT&T Labs Research