A007315 as tables, graphs or sounds

A007315 formatted as a simple table:

`n`		`a(n)`
`1`		`1`
`2`		`-1`
`3`		`1`
`4`		`-1`
`5`		`0`
`6`		`4`
`7`		`-16`
`8`		`46`
`9`		`-111`
`10`		`228`
`11`		`-379`
`12`		`389`
`13`		`393`
`14`		`-3810`
`15`		`14169`
`16`		`-39735`
`17`		`91861`
`18`		`-172623`
`19`		`225378`
`20`		`10246`
`21`		`-1347935`
`22`		`5843671`
`23`		`-17779693`
`24`		`43942706`
`25`		`-89033228`
`26`		`133666868`
`27`		`-64088688`
`28`		`-508956437`
`29`		`2636138606`
`30`		`-8664888857`
`31`		`22760994036`
`32`		`-49429259575`

[1,-1,1,-1,0,4,-16,46,-111,228,-379,389,393,-3810, 14169,-39735,91861,-172623,225378,10246,-1347935, 5843671,-17779693,43942706,-89033228,133666868, -64088688,-508956437,2636138606,-8664888857, 22760994036,-49429259575]

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

AT&T Labs Research