A013265 as tables, graphs or sounds

A013265 formatted as a simple table:

`n`		`a(n)`
`0`		`-1`
`1`		`1`
`2`		`-6`
`3`		`23`
`4`		`-90`
`5`		`509`
`6`		`-1960`
`7`		`7251`
`8`		`27720`
`9`		`-1167421`
`10`		`20353608`
`11`		`-322757359`
`12`		`4828920096`
`13`		`-72221046535`
`14`		`1088176720800`
`15`		`-16527535024457`
`16`		`253611377594496`
`17`		`-3894220888850401`
`18`		`59159990565014280`

[-1,1,-6,23,-90,509,-1960,7251,27720,-1167421, 20353608,-322757359,4828920096,-72221046535, 1088176720800,-16527535024457,253611377594496, -3894220888850401,59159990565014280]

Last modified November 27 14:50 EST 2009. Contains 167570 sequences.

AT&T Labs Research