A025579 as tables, graphs or sounds

A025579 formatted as a simple table:

`n`		`a(n)`
`1`		`1`
`2`		`2`
`3`		`4`
`4`		`12`
`5`		`36`
`6`		`108`
`7`		`324`
`8`		`972`
`9`		`2916`
`10`		`8748`
`11`		`26244`
`12`		`78732`
`13`		`236196`
`14`		`708588`
`15`		`2125764`
`16`		`6377292`
`17`		`19131876`
`18`		`57395628`
`19`		`172186884`
`20`		`516560652`
`21`		`1549681956`
`22`		`4649045868`
`23`		`13947137604`
`24`		`41841412812`
`25`		`125524238436`
`26`		`376572715308`
`27`		`1129718145924`

[1,2,4,12,36,108,324,972,2916,8748,26244,78732, 236196,708588,2125764,6377292,19131876,57395628, 172186884,516560652,1549681956,4649045868, 13947137604,41841412812,125524238436,376572715308, 1129718145924]

Last modified December 17 23:40 EST 2009. Contains 171025 sequences.

AT&T Labs Research