A159907 as tables, graphs or sounds

A159907 formatted as a simple table:

`n`		`a(n)`
`1`		`2`
`2`		`24`
`3`		`4320`
`4`		`4680`
`5`		`26208`
`6`		`8910720`
`7`		`17428320`
`8`		`20427264`
`9`		`91963648`
`10`		`197064960`
`11`		`8583644160`
`12`		`10200236032`
`13`		`21857648640`
`14`		`57575890944`
`15`		`57629644800`
`16`		`206166804480`
`17`		`17116004505600`
`18`		`1416963251404800`
`19`		`15338300494970880`

[2,24,4320,4680,26208,8910720,17428320,20427264, 91963648,197064960,8583644160,10200236032, 21857648640,57575890944,57629644800,206166804480, 17116004505600,1416963251404800, 15338300494970880]

Last modified December 15 00:47 EST 2009. Contains 170825 sequences.

AT&T Labs Research