A012498 as tables, graphs or sounds

A012498 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`-4`
`2`		`8`
`3`		`128`
`4`		`25216`
`5`		`-3387008`
`6`		`160621056`
`7`		`-6497102848`
`8`		`10675803193344`
`9`		`-4485074198855680`
`10`		`823007646284349440`
`11`		`-188938583696417751040`
`12`		`280059136770757168726016`
`13`		`-235157137580491486235983872`

[1,-4,8,128,25216,-3387008,160621056,-6497102848, 10675803193344,-4485074198855680, 823007646284349440,-188938583696417751040, 280059136770757168726016, -235157137580491486235983872]

Last modified December 8 08:31 EST 2009. Contains 170430 sequences.

AT&T Labs Research