A068997 as tables, graphs or sounds

A068997 formatted as a simple table:

`n`		`a(n)`
`1`		`1`
`2`		`2`
`3`		`4`
`4`		`6`
`5`		`8`
`6`		`12`
`7`		`16`
`8`		`18`
`9`		`20`
`10`		`24`
`11`		`32`
`12`		`36`
`13`		`40`
`14`		`48`
`15`		`54`
`16`		`64`
`17`		`72`
`18`		`80`
`19`		`84`
`20`		`96`
`21`		`100`
`22`		`108`
`23`		`120`
`24`		`128`
`25`		`144`
`26`		`160`
`27`		`162`
`28`		`168`
`29`		`192`
`30`		`200`
`31`		`216`
`32`		`240`
`33`		`252`
`34`		`256`
`35`		`272`
`36`		`288`
`37`		`312`
`38`		`320`
`39`		`324`
`40`		`336`
`41`		`360`
`42`		`384`
`43`		`400`
`44`		`432`
`45`		`440`
`46`		`480`
`47`		`486`
`48`		`500`
`49`		`504`
`50`		`512`
`51`		`544`
`52`		`576`
`53`		`588`
`54`		`600`
`55`		`624`
`56`		`640`
`57`		`648`

[1,2,4,6,8,12,16,18,20,24,32,36,40,48,54,64,72,80, 84,96,100,108,120,128,144,160,162,168,192,200,216, 240,252,256,272,288,312,320,324,336,360,384,400, 432,440,480,486,500,504,512,544,576,588,600,624, 640,648]

Last modified December 19 12:50 EST 2009. Contains 171053 sequences.

AT&T Labs Research