A128019 as tables, graphs or sounds

A128019 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`-3`
`2`		`-3`
`3`		`9`
`4`		`9`
`5`		`-27`
`6`		`-27`
`7`		`81`
`8`		`81`
`9`		`-243`
`10`		`-243`
`11`		`729`
`12`		`729`
`13`		`-2187`
`14`		`-2187`
`15`		`6561`
`16`		`6561`
`17`		`-19683`
`18`		`-19683`
`19`		`59049`
`20`		`59049`
`21`		`-177147`
`22`		`-177147`
`23`		`531441`
`24`		`531441`
`25`		`-1594323`
`26`		`-1594323`
`27`		`4782969`
`28`		`4782969`
`29`		`-14348907`
`30`		`-14348907`
`31`		`43046721`

[1,-3,-3,9,9,-27,-27,81,81,-243,-243,729,729, -2187,-2187,6561,6561,-19683,-19683,59049,59049, -177147,-177147,531441,531441,-1594323,-1594323, 4782969,4782969,-14348907,-14348907,43046721]

Last modified December 21 10:15 EST 2009. Contains 171081 sequences.

AT&T Labs Research