A138444 as tables, graphs or sounds

A138444 formatted as a simple table:

`n`		`a(n)`
`1`		`12`
`2`		`144`
`3`		`3120`
`4`		`23520`
`5`		`354288`
`6`		`965328`
`7`		`4827456`
`8`		`9409104`
`9`		`29607072`
`10`		`118964496`
`11`		`177500544`
`12`		`513145008`
`13`		`950020512`
`14`		`1264272240`
`15`		`2155842624`
`16`		`4432871664`
`17`		`8436106032`
`18`		`10304074128`
`19`		`18091675536`
`20`		`25620055776`
`21`		`30266844192`
`22`		`48617489856`

[12,144,3120,23520,354288,965328,4827456,9409104, 29607072,118964496,177500544,513145008,950020512, 1264272240,2155842624,4432871664,8436106032, 10304074128,18091675536,25620055776,30266844192, 48617489856]

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

AT&T Labs Research