A007448 as tables, graphs or sounds

A007448 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`3`
`2`		`3`
`3`		`4`
`4`		`7`
`5`		`7`
`6`		`7`
`7`		`9`
`8`		`9`
`9`		`10`
`10`		`13`
`11`		`13`
`12`		`13`
`13`		`15`
`14`		`15`
`15`		`19`
`16`		`19`
`17`		`19`
`18`		`19`
`19`		`21`
`20`		`21`
`21`		`22`
`22`		`27`
`23`		`27`
`24`		`27`
`25`		`27`
`26`		`27`
`27`		`28`
`28`		`31`
`29`		`31`
`30`		`31`
`31`		`39`
`32`		`39`
`33`		`39`
`34`		`39`
`35`		`39`
`36`		`39`
`37`		`39`
`38`		`39`
`39`		`40`
`40`		`43`
`41`		`43`
`42`		`43`
`43`		`45`
`44`		`45`
`45`		`46`
`46`		`55`
`47`		`55`
`48`		`55`
`49`		`55`
`50`		`55`
`51`		`55`
`52`		`55`
`53`		`55`
`54`		`55`
`55`		`57`
`56`		`57`
`57`		`58`
`58`		`63`
`59`		`63`
`60`		`63`
`61`		`63`
`62`		`63`
`63`		`64`
`64`		`67`
`65`		`67`
`66`		`67`
`67`		`79`
`68`		`79`
`69`		`79`
`70`		`79`

[1,3,3,4,7,7,7,9,9,10,13,13,13,15,15,19,19,19,19, 21,21,22,27,27,27,27,27,28,31,31,31,39,39,39,39, 39,39,39,39,40,43,43,43,45,45,46,55,55,55,55,55, 55,55,55,55,57,57,58,63,63,63,63,63,64,67,67,67, 79,79,79,79]

Last modified December 4 23:11 EST 2009. Contains 170347 sequences.

AT&T Labs Research