A064770 as tables, graphs or sounds

A064770 formatted as a simple table:

`n`		`a(n)`
`0`		`0`
`1`		`1`
`2`		`1`
`3`		`1`
`4`		`2`
`5`		`2`
`6`		`2`
`7`		`2`
`8`		`2`
`9`		`3`
`10`		`10`
`11`		`11`
`12`		`11`
`13`		`11`
`14`		`12`
`15`		`12`
`16`		`12`
`17`		`12`
`18`		`12`
`19`		`13`
`20`		`10`
`21`		`11`
`22`		`11`
`23`		`11`
`24`		`12`
`25`		`12`
`26`		`12`
`27`		`12`
`28`		`12`
`29`		`13`
`30`		`10`
`31`		`11`
`32`		`11`
`33`		`11`
`34`		`12`
`35`		`12`
`36`		`12`
`37`		`12`
`38`		`12`
`39`		`13`
`40`		`20`
`41`		`21`
`42`		`21`
`43`		`21`
`44`		`22`
`45`		`22`
`46`		`22`
`47`		`22`
`48`		`22`
`49`		`23`
`50`		`20`
`51`		`21`
`52`		`21`
`53`		`21`
`54`		`22`
`55`		`22`
`56`		`22`
`57`		`22`
`58`		`22`
`59`		`23`
`60`		`20`
`61`		`21`
`62`		`21`
`63`		`21`
`64`		`22`
`65`		`22`
`66`		`22`
`67`		`22`
`68`		`22`
`69`		`23`

[0,1,1,1,2,2,2,2,2,3,10,11,11,11,12,12,12,12,12, 13,10,11,11,11,12,12,12,12,12,13,10,11,11,11,12, 12,12,12,12,13,20,21,21,21,22,22,22,22,22,23,20, 21,21,21,22,22,22,22,22,23,20,21,21,21,22,22,22, 22,22,23]

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

AT&T Labs Research