A006368 as tables, graphs or sounds

A006368 formatted as a simple table:

`n`		`a(n)`
`0`		`0`
`1`		`1`
`2`		`3`
`3`		`2`
`4`		`6`
`5`		`4`
`6`		`9`
`7`		`5`
`8`		`12`
`9`		`7`
`10`		`15`
`11`		`8`
`12`		`18`
`13`		`10`
`14`		`21`
`15`		`11`
`16`		`24`
`17`		`13`
`18`		`27`
`19`		`14`
`20`		`30`
`21`		`16`
`22`		`33`
`23`		`17`
`24`		`36`
`25`		`19`
`26`		`39`
`27`		`20`
`28`		`42`
`29`		`22`
`30`		`45`
`31`		`23`
`32`		`48`
`33`		`25`
`34`		`51`
`35`		`26`
`36`		`54`
`37`		`28`
`38`		`57`
`39`		`29`
`40`		`60`
`41`		`31`
`42`		`63`
`43`		`32`
`44`		`66`
`45`		`34`
`46`		`69`
`47`		`35`
`48`		`72`
`49`		`37`
`50`		`75`
`51`		`38`
`52`		`78`
`53`		`40`
`54`		`81`
`55`		`41`
`56`		`84`
`57`		`43`
`58`		`87`
`59`		`44`
`60`		`90`
`61`		`46`
`62`		`93`
`63`		`47`
`64`		`96`
`65`		`49`
`66`		`99`
`67`		`50`
`68`		`102`
`69`		`52`
`70`		`105`
`71`		`53`

[0,1,3,2,6,4,9,5,12,7,15,8,18,10,21,11,24,13,27, 14,30,16,33,17,36,19,39,20,42,22,45,23,48,25,51, 26,54,28,57,29,60,31,63,32,66,34,69,35,72,37,75, 38,78,40,81,41,84,43,87,44,90,46,93,47,96,49,99, 50,102,52,105,53]

Last modified December 15 00:47 EST 2009. Contains 170825 sequences.

AT&T Labs Research