A111643 as tables, graphs or sounds

A111643 formatted as a simple table:

`n`		`a(n)`
`0`		`-2`
`1`		`8`
`2`		`-34`
`3`		`136`
`4`		`-530`
`5`		`2032`
`6`		`-7714`
`7`		`29104`
`8`		`-109378`
`9`		`410040`
`10`		`-1534722`
`11`		`5738360`
`12`		`-21441682`
`13`		`80083808`
`14`		`-299027394`
`15`		`1116348896`
`16`		`-4167148290`
`17`		`15554127592`
`18`		`-58053908834`
`19`		`216672484584`
`20`		`-808662529938`
`21`		`3018041612880`
`22`		`-11263658377442`
`23`		`42036964786320`
`24`		`-156885101002562`

[-2,8,-34,136,-530,2032,-7714,29104,-109378, 410040,-1534722,5738360,-21441682,80083808, -299027394,1116348896,-4167148290,15554127592, -58053908834,216672484584,-808662529938, 3018041612880,-11263658377442,42036964786320, -156885101002562]

Last modified December 20 00:58 EST 2009. Contains 171054 sequences.

AT&T Labs Research