A134876 as tables, graphs or sounds

A134876 formatted as a simple table:

`n`		`a(n)`
`1`		`1`
`2`		`2`
`3`		`1`
`4`		`3`
`5`		`4`
`6`		`8`
`7`		`18`
`8`		`23`
`9`		`44`
`10`		`73`
`11`		`142`
`12`		`277`
`13`		`484`
`14`		`871`
`15`		`1644`
`16`		`3060`
`17`		`5851`
`18`		`10917`
`19`		`20776`
`20`		`39263`
`21`		`74752`
`22`		`142521`
`23`		`271223`
`24`		`520242`
`25`		`996486`
`26`		`1916486`
`27`		`3686628`
`28`		`7103236`
`29`		`13702428`
`30`		`26469008`

[1,2,1,3,4,8,18,23,44,73,142,277,484,871,1644, 3060,5851,10917,20776,39263,74752,142521,271223, 520242,996486,1916486,3686628,7103236,13702428, 26469008]

Last modified December 21 10:15 EST 2009. Contains 171081 sequences.

AT&T Labs Research