A072257 as tables, graphs or sounds

A072257 formatted as a simple table:

`n`		`a(n)`
`0`		`-6`
`1`		`-15`
`2`		`-27`
`3`		`21`
`4`		`597`
`5`		`4437`
`6`		`25941`
`7`		`136533`
`8`		`677205`
`9`		`3233109`
`10`		`15029589`
`11`		`68506965`
`12`		`307582293`
`13`		`1364546901`
`14`		`5995058517`
`15`		`26127717717`
`16`		`113100805461`
`17`		`486762960213`
`18`		`2084490794325`
`19`		`8887718991189`

[-6,-15,-27,21,597,4437,25941,136533,677205, 3233109,15029589,68506965,307582293,1364546901, 5995058517,26127717717,113100805461,486762960213, 2084490794325,8887718991189]

Last modified December 5 08:23 EST 2009. Contains 170348 sequences.

AT&T Labs Research