A072708 as tables, graphs or sounds

A072708 formatted as a simple table:

`n`		`a(n)`
`1`		`21`
`2`		`39`
`3`		`42`
`4`		`48`
`5`		`81`
`6`		`99`
`7`		`102`
`8`		`108`
`9`		`141`
`10`		`159`
`11`		`162`
`12`		`168`
`13`		`201`
`14`		`219`
`15`		`222`
`16`		`228`
`17`		`261`
`18`		`279`
`19`		`282`
`20`		`288`
`21`		`321`
`22`		`339`
`23`		`342`
`24`		`348`
`25`		`381`
`26`		`399`
`27`		`402`
`28`		`408`
`29`		`441`
`30`		`459`
`31`		`462`
`32`		`468`
`33`		`501`
`34`		`519`
`35`		`522`
`36`		`528`
`37`		`561`
`38`		`579`
`39`		`582`
`40`		`588`
`41`		`621`
`42`		`639`
`43`		`642`
`44`		`648`
`45`		`681`
`46`		`699`
`47`		`702`
`48`		`708`
`49`		`741`
`50`		`759`
`51`		`762`
`52`		`768`
`53`		`801`

[21,39,42,48,81,99,102,108,141,159,162,168,201, 219,222,228,261,279,282,288,321,339,342,348,381, 399,402,408,441,459,462,468,501,519,522,528,561, 579,582,588,621,639,642,648,681,699,702,708,741, 759,762,768,801]

Last modified November 30 13:13 EST 2009. Contains 167758 sequences.

AT&T Labs Research