A013468 as tables, graphs or sounds

A013468 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`-1`
`2`		`-1`
`3`		`4`
`4`		`5`
`5`		`-32`
`6`		`-55`
`7`		`390`
`8`		`961`
`9`		`-6432`
`10`		`-22463`
`11`		`134550`
`12`		`649761`
`13`		`-3443208`
`14`		`-22456551`
`15`		`105379838`
`16`		`911433121`
`17`		`-3787776224`
`18`		`-42942180863`
`19`		`157078439014`
`20`		`2324211078513`
`21`		`-7384507525560`
`22`		`-143088139308519`

[1,-1,-1,4,5,-32,-55,390,961,-6432,-22463,134550, 649761,-3443208,-22456551,105379838,911433121, -3787776224,-42942180863,157078439014, 2324211078513,-7384507525560,-143088139308519]

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

AT&T Labs Research