A031877 as tables, graphs or sounds

A031877 formatted as a simple table:

`n`		`a(n)`
`1`		`1`
`2`		`8712`
`3`		`9801`
`4`		`87912`
`5`		`98901`
`6`		`879912`
`7`		`989901`
`8`		`8799912`
`9`		`9899901`
`10`		`87128712`
`11`		`87999912`
`12`		`98019801`
`13`		`98999901`
`14`		`871208712`
`15`		`879999912`
`16`		`980109801`
`17`		`989999901`
`18`		`8712008712`
`19`		`8791287912`
`20`		`8799999912`
`21`		`9801009801`
`22`		`9890198901`
`23`		`9899999901`

[1,8712,9801,87912,98901,879912,989901,8799912, 9899901,87128712,87999912,98019801,98999901, 871208712,879999912,980109801,989999901, 8712008712,8791287912,8799999912,9801009801, 9890198901,9899999901]

Last modified December 20 16:54 EST 2009. Contains 171081 sequences.

AT&T Labs Research