A090816 as tables, graphs or sounds

A090816 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`12`
`2`		`105`
`3`		`840`
`4`		`6435`
`5`		`48048`
`6`		`352716`
`7`		`2558160`
`8`		`18386775`
`9`		`131231100`
`10`		`931395465`
`11`		`6580248480`
`12`		`46312074900`
`13`		`324897017760`
`14`		`2272989850440`
`15`		`15863901576864`
`16`		`110487596768703`
`17`		`768095592509700`
`18`		`5330949171823275`
`19`		`36945070220658600`

[1,12,105,840,6435,48048,352716,2558160,18386775, 131231100,931395465,6580248480,46312074900, 324897017760,2272989850440,15863901576864, 110487596768703,768095592509700,5330949171823275, 36945070220658600]

Last modified December 6 13:45 EST 2009. Contains 170429 sequences.

AT&T Labs Research