A007682 as tables, graphs or sounds

A007682 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`-1`
`2`		`1`
`3`		`1`
`4`		`-1`
`5`		`-17`
`6`		`-107`
`7`		`-415`
`8`		`1231`
`9`		`56671`
`10`		`924365`
`11`		`11322001`
`12`		`97495687`
`13`		`-78466897`
`14`		`-31987213451`
`15`		`-1073614991039`
`16`		`-26754505127713`
`17`		`-558657850929473`
`18`		`-9259584394031075`
`19`		`-70982644052430799`
`20`		`3334438016903221111`
`21`		`240585292388924690959`
`22`		`10679411902033402697861`

[1,-1,1,1,-1,-17,-107,-415,1231,56671,924365, 11322001,97495687,-78466897,-31987213451, -1073614991039,-26754505127713,-558657850929473, -9259584394031075,-70982644052430799, 3334438016903221111,240585292388924690959, 10679411902033402697861]

Last modified November 30 13:13 EST 2009. Contains 167758 sequences.

AT&T Labs Research