A009649 as tables, graphs or sounds

A009649 formatted as a simple table:

`n`		`a(n)`
`0`		`0`
`1`		`1`
`2`		`-1`
`3`		`1`
`4`		`-12`
`5`		`35`
`6`		`-195`
`7`		`1979`
`8`		`-13552`
`9`		`131333`
`10`		`-1540845`
`11`		`16920341`
`12`		`-219934044`
`13`		`3138657015`
`14`		`-46097651327`
`15`		`745768998623`
`16`		`-12886218266880`
`17`		`233789283755465`
`18`		`-4532667637516281`
`19`		`92739558324236905`
`20`		`-1991654643609977740`

[0,1,-1,1,-12,35,-195,1979,-13552,131333,-1540845, 16920341,-219934044,3138657015,-46097651327, 745768998623,-12886218266880,233789283755465, -4532667637516281,92739558324236905, -1991654643609977740]

Last modified December 1 19:22 EST 2009. Contains 167811 sequences.

AT&T Labs Research