A049980 as tables, graphs or sounds

A049980 formatted as a simple table:

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

[1,1,2,2,3,4,4,4,7,6,6,9,7,8,13,9,9,15,10,12,18, 13,12,20,15,15,23,17,15,28,16,18,28,20,22,33,19, 22,33,26,21,39,22,26,43,27,24,43,27,33,44,31,27, 50,34,34,49,34,30,60,31,36,57,38,40]

Last modified December 20 16:54 EST 2009. Contains 171081 sequences.

AT&T Labs Research