A069750 as tables, graphs or sounds

A069750 formatted as a simple table:

`n`		`a(n)`
`1`		`1`
`2`		`6`
`3`		`15`
`4`		`63`
`5`		`157`
`6`		`633`
`7`		`1578`
`8`		`6334`
`9`		`15786`
`10`		`63344`
`11`		`157866`
`12`		`633445`
`13`		`1578667`
`14`		`6334455`
`15`		`15786676`
`16`		`63344554`
`17`		`157866766`
`18`		`633445544`
`19`		`1578667666`
`20`		`6334455446`
`21`		`15786676667`
`22`		`63344554464`
`23`		`157866766678`
`24`		`633445544643`
`25`		`1578667666788`

[1,6,15,63,157,633,1578,6334,15786,63344,157866, 633445,1578667,6334455,15786676,63344554, 157866766,633445544,1578667666,6334455446, 15786676667,63344554464,157866766678,633445544643, 1578667666788]

Last modified December 10 00:48 EST 2009. Contains 170565 sequences.

AT&T Labs Research