A028564 as tables, graphs or sounds

A028564 formatted as a simple table:

`n`		`a(n)`
`1`		`0`
`2`		`1`
`3`		`4`
`4`		`19`
`5`		`26`
`6`		`219`
`7`		`664`
`8`		`902`
`9`		`2109`
`10`		`2972`
`11`		`2982`
`12`		`9002`
`13`		`21009`
`14`		`29696`
`15`		`90002`
`16`		`210009`
`17`		`223114`
`18`		`292967`
`19`		`669024`
`20`		`900002`
`21`		`942997`
`22`		`2100009`
`23`		`2109664`
`24`		`2219779`
`25`		`8972876`
`26`		`9000002`
`27`		`21000009`
`28`		`21037924`
`29`		`21117304`
`30`		`21152824`
`31`		`21155344`

[0,1,4,19,26,219,664,902,2109,2972,2982,9002, 21009,29696,90002,210009,223114,292967,669024, 900002,942997,2100009,2109664,2219779,8972876, 9000002,21000009,21037924,21117304,21152824, 21155344]

Last modified November 29 12:46 EST 2009. Contains 167659 sequences.

AT&T Labs Research