A068809 as tables, graphs or sounds

A068809 formatted as a simple table:

`n`		`a(n)`
`1`		`1`
`2`		`4`
`3`		`9`
`4`		`49`
`5`		`169`
`6`		`289`
`7`		`1849`
`8`		`3969`
`9`		`6889`
`10`		`27889`
`11`		`69696`
`12`		`97969`
`13`		`499849`
`14`		`698896`
`15`		`2778889`
`16`		`4999696`
`17`		`9696996`
`18`		`19998784`
`19`		`46689889`
`20`		`66699889`
`21`		`79869969`
`22`		`277788889`
`23`		`478996996`
`24`		`876988996`
`25`		`1749999889`
`26`		`5599977889`
`27`		`7998976969`
`28`		`8998988769`

[1,4,9,49,169,289,1849,3969,6889,27889,69696, 97969,499849,698896,2778889,4999696,9696996, 19998784,46689889,66699889,79869969,277788889, 478996996,876988996,1749999889,5599977889, 7998976969,8998988769]

Last modified December 5 23:38 EST 2009. Contains 170428 sequences.

AT&T Labs Research