A006920 as tables, graphs or sounds

A006920 formatted as a simple table:

`n`		`a(n)`
`1`		`1`
`2`		`1`
`3`		`2`
`4`		`21`
`5`		`32`
`6`		`331`
`7`		`433`
`8`		`4351`
`9`		`53621`
`10`		`647221`
`11`		`7673221`
`12`		`8883233`
`13`		`891132333`
`14`		`8101532334101`
`15`		`101118423351110001`
`16`		`141220533351220001001`
`17`		`17142355335122101100101`
`18`		`23162558335122102101101001`
`19`		`30192751033612210211110100201`
`20`		`3823295114361321021111110020101001`

[1,1,2,21,32,331,433,4351,53621,647221,7673221, 8883233,891132333,8101532334101, 101118423351110001,141220533351220001001, 17142355335122101100101, 23162558335122102101101001, 30192751033612210211110100201, 3823295114361321021111110020101001]

Last modified November 30 13:13 EST 2009. Contains 167758 sequences.

AT&T Labs Research