A072863 as tables, graphs or sounds

A072863 formatted as a simple table:

`n`		`a(n)`
`1`		`1`
`2`		`3`
`3`		`9`
`4`		`26`
`5`		`72`
`6`		`192`
`7`		`496`
`8`		`1248`
`9`		`3072`
`10`		`7424`
`11`		`17664`
`12`		`41472`
`13`		`96256`
`14`		`221184`
`15`		`503808`
`16`		`1138688`
`17`		`2555904`
`18`		`5701632`
`19`		`12648448`
`20`		`27918336`
`21`		`61341696`
`22`		`134217728`
`23`		`292552704`
`24`		`635437056`
`25`		`1375731712`
`26`		`2969567232`
`27`		`6392119296`
`28`		`13723762688`

[1,3,9,26,72,192,496,1248,3072,7424,17664,41472, 96256,221184,503808,1138688,2555904,5701632, 12648448,27918336,61341696,134217728,292552704, 635437056,1375731712,2969567232,6392119296, 13723762688]

Last modified November 29 12:46 EST 2009. Contains 167659 sequences.

AT&T Labs Research