A057681 as tables, graphs or sounds

A057681 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`1`
`3`		`0`
`4`		`-3`
`5`		`-9`
`6`		`-18`
`7`		`-27`
`8`		`-27`
`9`		`0`
`10`		`81`
`11`		`243`
`12`		`486`
`13`		`729`
`14`		`729`
`15`		`0`
`16`		`-2187`
`17`		`-6561`
`18`		`-13122`
`19`		`-19683`
`20`		`-19683`
`21`		`0`
`22`		`59049`
`23`		`177147`
`24`		`354294`
`25`		`531441`
`26`		`531441`
`27`		`0`
`28`		`-1594323`
`29`		`-4782969`
`30`		`-9565938`
`31`		`-14348907`
`32`		`-14348907`
`33`		`0`
`34`		`43046721`
`35`		`129140163`
`36`		`258280326`
`37`		`387420489`
`38`		`387420489`

[1,1,1,0,-3,-9,-18,-27,-27,0,81,243,486,729,729,0, -2187,-6561,-13122,-19683,-19683,0,59049,177147, 354294,531441,531441,0,-1594323,-4782969,-9565938, -14348907,-14348907,0,43046721,129140163, 258280326,387420489,387420489]

Last modified December 5 17:24 EST 2009. Contains 170342 sequences.

AT&T Labs Research