A109771 as tables, graphs or sounds

A109771 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`3`
`2`		`-4`
`3`		`12`
`4`		`-44`
`5`		`180`
`6`		`-788`
`7`		`3612`
`8`		`-17116`
`9`		`83172`
`10`		`-412196`
`11`		`2075436`
`12`		`-10586892`
`13`		`54595476`
`14`		`-284157492`
`15`		`1490774076`
`16`		`-7875206076`
`17`		`41854313412`
`18`		`-223636052036`
`19`		`1200637707852`
`20`		`-6473448634348`
`21`		`35037238641780`
`22`		`-190299310403924`
`23`		`1036863750837852`
`24`		`-5665846701859484`

[1,3,-4,12,-44,180,-788,3612,-17116,83172,-412196, 2075436,-10586892,54595476,-284157492,1490774076, -7875206076,41854313412,-223636052036, 1200637707852,-6473448634348,35037238641780, -190299310403924,1036863750837852, -5665846701859484]

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

AT&T Labs Research