A086828 as tables, graphs or sounds

A086828 formatted as a simple table:

`n`		`a(n)`
`1`		`0`
`2`		`1`
`3`		`1`
`4`		`7`
`5`		`11`
`6`		`46`
`7`		`112`
`8`		`434`
`9`		`1330`
`10`		`5236`
`11`		`18536`
`12`		`76132`
`13`		`298564`
`14`		`1288280`
`15`		`5468176`
`16`		`24792376`
`17`		`112283192`
`18`		`533753584`
`19`		`2554851040`
`20`		`12696169136`
`21`		`63793189936`
`22`		`330412741792`
`23`		`1733862920384`
`24`		`9333355981600`
`25`		`50946066070816`

[0,1,1,7,11,46,112,434,1330,5236,18536,76132, 298564,1288280,5468176,24792376,112283192, 533753584,2554851040,12696169136,63793189936, 330412741792,1733862920384,9333355981600, 50946066070816]

Last modified December 5 08:23 EST 2009. Contains 170348 sequences.

AT&T Labs Research