A051041 as tables, graphs or sounds

A051041 formatted as a simple table:

`n`		`a(n)`
`1`		`4`
`2`		`12`
`3`		`36`
`4`		`96`
`5`		`264`
`6`		`696`
`7`		`1848`
`8`		`4848`
`9`		`12768`
`10`		`33480`
`11`		`87936`
`12`		`230520`
`13`		`604608`
`14`		`1585128`
`15`		`4156392`
`16`		`10895952`
`17`		`28566216`
`18`		`74887056`
`19`		`196322976`
`20`		`514662960`
`21`		`1349208600`
`22`		`3536962584`
`23`		`9272217936`
`24`		`24307198464`
`25`		`63721617888`

[4,12,36,96,264,696,1848,4848,12768,33480,87936, 230520,604608,1585128,4156392,10895952,28566216, 74887056,196322976,514662960,1349208600, 3536962584,9272217936,24307198464,63721617888]

Last modified December 4 12:48 EST 2009. Contains 170310 sequences.

AT&T Labs Research