A045489 as tables, graphs or sounds

A045489 formatted as a simple table:

`n`		`a(n)`
`-1`		`1`
`0`		`3`
`1`		`51`
`2`		`204`
`3`		`681`
`4`		`1956`
`5`		`5135`
`6`		`12360`
`7`		`28119`
`8`		`60572`
`9`		`125682`
`10`		`251040`
`11`		`487426`
`12`		`920568`
`13`		`1699611`
`14`		`3070508`
`15`		`5445510`
`16`		`9490116`
`17`		`16283793`
`18`		`27537708`
`19`		`45959775`
`20`		`75760640`
`21`		`123471327`
`22`		`199081632`
`23`		`317814988`

[1,3,51,204,681,1956,5135,12360,28119,60572, 125682,251040,487426,920568,1699611,3070508, 5445510,9490116,16283793,27537708,45959775, 75760640,123471327,199081632,317814988]

Last modified December 13 23:45 EST 2009. Contains 170824 sequences.

AT&T Labs Research