A081047 as tables, graphs or sounds

A081047 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`0`
`2`		`-1`
`3`		`-5`
`4`		`-26`
`5`		`-154`
`6`		`-1044`
`7`		`-8028`
`8`		`-69264`
`9`		`-663696`
`10`		`6999840`
`11`		`-80627040`
`12`		`-1007441280`
`13`		`-13575738240`
`14`		`-196287356160`
`15`		`-3031488633600`
`16`		`-49811492505600`
`17`		`-867718162483200`
`18`		`-15974614352793600`
`19`		`-309920046408806400`
`20`		`-6320046028584960000`

[1,0,-1,-5,-26,-154,-1044,-8028,-69264,-663696, 6999840,-80627040,-1007441280,-13575738240, -196287356160,-3031488633600,-49811492505600, -867718162483200,-15974614352793600, -309920046408806400,-6320046028584960000]

Last modified December 11 12:57 EST 2009. Contains 170656 sequences.

AT&T Labs Research