A109664 as tables, graphs or sounds

A109664 formatted as a simple table:

`n`		`a(n)`
`1`		`1`
`2`		`2`
`3`		`8`
`4`		`48`
`5`		`384`
`6`		`4608`
`7`		`64512`
`8`		`1161216`
`9`		`23224320`
`10`		`557383680`
`11`		`16721510400`
`12`		`535088332800`
`13`		`20333356646400`
`14`		`854000979148800`
`15`		`37576043082547200`
`16`		`1803650067962265600`
`17`		`97397103669962342400`
`18`		`5843826220197740544000`

[1,2,8,48,384,4608,64512,1161216,23224320, 557383680,16721510400,535088332800,20333356646400, 854000979148800,37576043082547200, 1803650067962265600,97397103669962342400, 5843826220197740544000]

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

AT&T Labs Research