A152680 as tables, graphs or sounds

A152680 formatted as a simple table:

`n`		`a(n)`
`1`		`4`
`2`		`12`
`3`		`16`
`4`		`28`
`5`		`36`
`6`		`40`
`7`		`52`
`8`		`60`
`9`		`72`
`10`		`88`
`11`		`96`
`12`		`100`
`13`		`108`
`14`		`112`
`15`		`136`
`16`		`148`
`17`		`156`
`18`		`172`
`19`		`180`
`20`		`192`
`21`		`196`
`22`		`228`
`23`		`232`
`24`		`240`
`25`		`256`
`26`		`268`
`27`		`276`
`28`		`280`
`29`		`292`
`30`		`312`
`31`		`316`
`32`		`336`
`33`		`348`
`34`		`352`
`35`		`372`
`36`		`388`
`37`		`396`
`38`		`400`
`39`		`408`
`40`		`420`
`41`		`432`
`42`		`448`
`43`		`456`
`44`		`460`
`45`		`508`
`46`		`520`
`47`		`540`
`48`		`556`
`49`		`568`
`50`		`576`
`51`		`592`
`52`		`600`
`53`		`612`
`54`		`616`

[4,12,16,28,36,40,52,60,72,88,96,100,108,112,136, 148,156,172,180,192,196,228,232,240,256,268,276, 280,292,312,316,336,348,352,372,388,396,400,408, 420,432,448,456,460,508,520,540,556,568,576,592, 600,612,616]

Last modified December 21 10:15 EST 2009. Contains 171081 sequences.

AT&T Labs Research