A078700 as tables, graphs or sounds

A078700 formatted as a simple table:

`n`		`a(n)`
`1`		`1`
`2`		`2`
`3`		`6`
`4`		`30`
`5`		`192`
`6`		`1560`
`7`		`15120`
`8`		`171360`
`9`		`2217600`
`10`		`32296320`
`11`		`522547200`
`12`		`9300614400`
`13`		`180583603200`
`14`		`3798482688000`
`15`		`86044973414400`
`16`		`2088355965696000`
`17`		`54064489070592000`
`18`		`1487129136869376000`
`19`		`43312058119249920000`

[1,2,6,30,192,1560,15120,171360,2217600,32296320, 522547200,9300614400,180583603200,3798482688000, 86044973414400,2088355965696000,54064489070592000, 1487129136869376000,43312058119249920000]

Last modified December 9 14:43 EST 2009. Contains 170430 sequences.

AT&T Labs Research