A014480 as tables, graphs or sounds

A014480 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`6`
`2`		`20`
`3`		`56`
`4`		`144`
`5`		`352`
`6`		`832`
`7`		`1920`
`8`		`4352`
`9`		`9728`
`10`		`21504`
`11`		`47104`
`12`		`102400`
`13`		`221184`
`14`		`475136`
`15`		`1015808`
`16`		`2162688`
`17`		`4587520`
`18`		`9699328`
`19`		`20447232`
`20`		`42991616`
`21`		`90177536`
`22`		`188743680`
`23`		`394264576`
`24`		`822083584`
`25`		`1711276032`
`26`		`3556769792`
`27`		`7381975040`
`28`		`15300820992`

[1,6,20,56,144,352,832,1920,4352,9728,21504,47104, 102400,221184,475136,1015808,2162688,4587520, 9699328,20447232,42991616,90177536,188743680, 394264576,822083584,1711276032,3556769792, 7381975040,15300820992]

Last modified December 4 08:07 EST 2009. Contains 170310 sequences.

AT&T Labs Research