A018252 as tables, graphs or sounds

A018252 formatted as a simple table:

`n`		`a(n)`
`1`		`1`
`2`		`4`
`3`		`6`
`4`		`8`
`5`		`9`
`6`		`10`
`7`		`12`
`8`		`14`
`9`		`15`
`10`		`16`
`11`		`18`
`12`		`20`
`13`		`21`
`14`		`22`
`15`		`24`
`16`		`25`
`17`		`26`
`18`		`27`
`19`		`28`
`20`		`30`
`21`		`32`
`22`		`33`
`23`		`34`
`24`		`35`
`25`		`36`
`26`		`38`
`27`		`39`
`28`		`40`
`29`		`42`
`30`		`44`
`31`		`45`
`32`		`46`
`33`		`48`
`34`		`49`
`35`		`50`
`36`		`51`
`37`		`52`
`38`		`54`
`39`		`55`
`40`		`56`
`41`		`57`
`42`		`58`
`43`		`60`
`44`		`62`
`45`		`63`
`46`		`64`
`47`		`65`
`48`		`66`
`49`		`68`
`50`		`69`
`51`		`70`
`52`		`72`
`53`		`74`
`54`		`75`
`55`		`76`
`56`		`77`
`57`		`78`
`58`		`80`
`59`		`81`
`60`		`82`
`61`		`84`
`62`		`85`
`63`		`86`
`64`		`87`
`65`		`88`

[1,4,6,8,9,10,12,14,15,16,18,20,21,22,24,25,26,27, 28,30,32,33,34,35,36,38,39,40,42,44,45,46,48,49, 50,51,52,54,55,56,57,58,60,62,63,64,65,66,68,69, 70,72,74,75,76,77,78,80,81,82,84,85,86,87,88]

Last modified December 10 12:37 EST 2009. Contains 170569 sequences.

AT&T Labs Research