A020475 as tables, graphs or sounds

A020475 formatted as a simple table:

`n`		`a(n)`
`0`		`0`
`1`		`2`
`2`		`1`
`3`		`2`
`4`		`2`
`5`		`4`
`6`		`2`
`7`		`6`
`8`		`4`
`9`		`6`
`10`		`6`
`11`		`10`
`12`		`5`
`13`		`12`
`14`		`6`
`15`		`8`
`16`		`8`
`17`		`16`
`18`		`10`
`19`		`18`
`20`		`10`
`21`		`14`
`22`		`14`
`23`		`22`
`24`		`10`
`25`		`20`
`26`		`18`
`27`		`18`
`28`		`14`
`29`		`28`
`30`		`11`
`31`		`30`
`32`		`16`
`33`		`26`
`34`		`30`
`35`		`26`
`36`		`22`
`37`		`36`
`38`		`30`
`39`		`30`
`40`		`22`
`41`		`40`
`42`		`20`
`43`		`42`
`44`		`26`
`45`		`26`
`46`		`30`
`47`		`46`
`48`		`20`
`49`		`42`
`50`		`34`
`51`		`32`
`52`		`34`
`53`		`52`
`54`		`26`
`55`		`46`
`56`		`33`
`57`		`50`
`58`		`42`
`59`		`58`
`60`		`26`
`61`		`60`
`62`		`30`
`63`		`46`
`64`		`32`
`65`		`50`
`66`		`48`
`67`		`66`
`68`		`58`
`69`		`50`
`70`		`44`
`71`		`70`
`72`		`40`
`73`		`72`
`74`		`66`
`75`		`46`
`76`		`58`

[0,2,1,2,2,4,2,6,4,6,6,10,5,12,6,8,8,16,10,18,10, 14,14,22,10,20,18,18,14,28,11,30,16,26,30,26,22, 36,30,30,22,40,20,42,26,26,30,46,20,42,34,32,34, 52,26,46,33,50,42,58,26,60,30,46,32,50,48,66,58, 50,44,70,40,72,66,46,58]

Last modified December 9 18:50 EST 2009. Contains 170568 sequences.

AT&T Labs Research