A006830 as tables, graphs or sounds

A006830 formatted as a simple table:

`n`		`a(n)`
`1`		`-1`
`2`		`1`
`3`		`1`
`4`		`-1`
`5`		`-4`
`6`		`9`
`7`		`-2`
`8`		`0`
`9`		`-1`
`10`		`-45`
`11`		`4`
`12`		`3`
`13`		`2`
`14`		`-7`
`15`		`0`
`16`		`-1`
`17`		`-36792`
`18`		`-11320425`
`19`		`-2`
`20`		`-24`
`21`		`-267972`
`22`		`352849`
`23`		`-10`
`24`		`0`
`25`		`17`
`26`		`135531`
`27`		`-12`
`28`		`189709`
`29`		`-21012`
`30`		`-371631`
`31`		`-1008`
`32`		`32`
`33`		`8`
`34`		`34255`
`35`		`0`
`36`		`-71847`
`37`		`147714465189436`
`38`		`840`
`39`		`78`

[-1,1,1,-1,-4,9,-2,0,-1,-45,4,3,2,-7,0,-1,-36792, -11320425,-2,-24,-267972,352849,-10,0,17,135531, -12,189709,-21012,-371631,-1008,32,8,34255,0, -71847,147714465189436,840,78]

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

AT&T Labs Research