A068187 as tables, graphs or sounds

A068187 formatted as a simple table:

`n`		`a(n)`
`1`		`1`
`2`		`4`
`3`		`39`
`4`		`488`
`5`		`55555`
`6`		`88999`
`7`		`7777777`
`8`		`88888888`
`9`		`999999999`
`10`		`25555555555888`
`11`		`0`
`12`		`88888888999999`
`13`		`0`
`14`		`4777777777777778888`
`15`		`35555555555555559999999`
`16`		`2888888888888888888888`
`17`		`0`
`18`		`888888999999999999999999`
`19`		`0`

[1,4,39,488,55555,88999,7777777,88888888, 999999999,25555555555888,0,88888888999999,0, 4777777777777778888,35555555555555559999999, 2888888888888888888888,0,888888999999999999999999, 0]

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

AT&T Labs Research