A078994 as tables, graphs or sounds

A078994 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`1`
`3`		`-2`
`4`		`-24`
`5`		`-138`
`6`		`-500`
`7`		`1200`
`8`		`56256`
`9`		`904912`
`10`		`11937696`
`11`		`144543360`
`12`		`1639736320`
`13`		`16965191808`
`14`		`141946949376`
`15`		`376837224448`
`16`		`-23412830208000`
`17`		`-860170849536000`
`18`		`-22132932250013696`
`19`		`-501053473607319552`
`20`		`-10543220910009286656`
`21`		`-208356118642682839040`

[1,1,1,-2,-24,-138,-500,1200,56256,904912, 11937696,144543360,1639736320,16965191808, 141946949376,376837224448,-23412830208000, -860170849536000,-22132932250013696, -501053473607319552,-10543220910009286656, -208356118642682839040]

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

AT&T Labs Research