A027723 as tables, graphs or sounds

A027723 formatted as a simple table:

`n`		`a(n)`
`1`		`7`
`2`		`9`
`3`		`313`
`4`		`999`
`5`		`31513`
`6`		`75357`
`7`		`78687`
`8`		`90909`
`9`		`98289`
`10`		`3159513`
`11`		`7642467`
`12`		`9009009`
`13`		`743080347`
`14`		`900090009`
`15`		`31413131413`
`16`		`90000900009`
`17`		`97474147479`
`18`		`3105075705013`
`19`		`9000009000009`

[7,9,313,999,31513,75357,78687,90909,98289, 3159513,7642467,9009009,743080347,900090009, 31413131413,90000900009,97474147479,3105075705013, 9000009000009]

Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

AT&T Labs Research