A008130 as tables, graphs or sounds

A008130 formatted as a simple table:

`n`		`a(n)`
`0`		`0`
`1`		`0`
`2`		`0`
`3`		`1`
`4`		`2`
`5`		`2`
`6`		`4`
`7`		`6`
`8`		`6`
`9`		`9`
`10`		`12`
`11`		`12`
`12`		`16`
`13`		`20`
`14`		`20`
`15`		`25`
`16`		`30`
`17`		`30`
`18`		`36`
`19`		`42`
`20`		`42`
`21`		`49`
`22`		`56`
`23`		`56`
`24`		`64`
`25`		`72`
`26`		`72`
`27`		`81`
`28`		`90`
`29`		`90`
`30`		`100`
`31`		`110`
`32`		`110`
`33`		`121`
`34`		`132`
`35`		`132`
`36`		`144`
`37`		`156`
`38`		`156`
`39`		`169`
`40`		`182`
`41`		`182`
`42`		`196`
`43`		`210`
`44`		`210`
`45`		`225`
`46`		`240`
`47`		`240`
`48`		`256`
`49`		`272`
`50`		`272`
`51`		`289`

[0,0,0,1,2,2,4,6,6,9,12,12,16,20,20,25,30,30,36, 42,42,49,56,56,64,72,72,81,90,90,100,110,110,121, 132,132,144,156,156,169,182,182,196,210,210,225, 240,240,256,272,272,289]

Last modified December 17 23:40 EST 2009. Contains 171025 sequences.

AT&T Labs Research