A009400 as tables, graphs or sounds

A009400 formatted as a simple table:

`n`		`a(n)`
`0`		`0`
`1`		`1`
`2`		`-1`
`3`		`3`
`4`		`-10`
`5`		`65`
`6`		`-376`
`7`		`2723`
`8`		`-22800`
`9`		`226785`
`10`		`-2467456`
`11`		`29857443`
`12`		`-397200640`
`13`		`5785047905`
`14`		`-91090625536`
`15`		`1544546456963`
`16`		`-28057896929280`
`17`		`543833037679425`
`18`		`-11198060484591616`
`19`		`244141035610073283`
`20`		`-5618437516698910720`

[0,1,-1,3,-10,65,-376,2723,-22800,226785,-2467456, 29857443,-397200640,5785047905,-91090625536, 1544546456963,-28057896929280,543833037679425, -11198060484591616,244141035610073283, -5618437516698910720]

Last modified December 19 12:50 EST 2009. Contains 171053 sequences.

AT&T Labs Research