A060790 as tables, graphs or sounds

A060790 formatted as a simple table:

`n`		`a(n)`
`0`		`-1`
`1`		`2`
`2`		`2`
`3`		`3`
`4`		`15`
`5`		`38`
`6`		`110`
`7`		`323`
`8`		`927`
`9`		`2682`
`10`		`7754`
`11`		`22403`
`12`		`64751`
`13`		`187134`
`14`		`540822`
`15`		`1563011`
`16`		`4517183`
`17`		`13054898`
`18`		`37729362`
`19`		`109039875`
`20`		`315131087`
`21`		`910745750`
`22`		`2632104062`
`23`		`7606921923`
`24`		`21984412383`
`25`		`63536130986`
`26`		`183622826522`
`27`		`530679817859`

[-1,2,2,3,15,38,110,323,927,2682,7754,22403,64751, 187134,540822,1563011,4517183,13054898,37729362, 109039875,315131087,910745750,2632104062, 7606921923,21984412383,63536130986,183622826522, 530679817859]

Last modified November 27 22:38 EST 2009. Contains 167602 sequences.

AT&T Labs Research