A127982 as tables, graphs or sounds

A127982 formatted as a simple table:

`n`		`a(n)`
`1`		`1`
`2`		`6`
`3`		`20`
`4`		`57`
`5`		`147`
`6`		`360`
`7`		`850`
`8`		`1959`
`9`		`4433`
`10`		`9894`
`11`		`21840`
`12`		`47781`
`13`		`103759`
`14`		`223908`
`15`		`480590`
`16`		`1026723`
`17`		`2184525`
`18`		`4631202`
`19`		`9786700`
`20`		`20621985`
`21`		`43341131`
`22`		`90876576`
`23`		`190141770`
`24`		`397060767`
`25`		`827675977`
`26`		`1722460830`
`27`		`3579139400`
`28`		`7426714269`
`29`		`15390299463`

[1,6,20,57,147,360,850,1959,4433,9894,21840,47781, 103759,223908,480590,1026723,2184525,4631202, 9786700,20621985,43341131,90876576,190141770, 397060767,827675977,1722460830,3579139400, 7426714269,15390299463]

Last modified December 15 00:47 EST 2009. Contains 170825 sequences.

AT&T Labs Research