A121719 as tables, graphs or sounds

A121719 formatted as a simple table:

`n`		`a(n)`
`1`		`4`
`2`		`6`
`3`		`8`
`4`		`9`
`5`		`20`
`6`		`22`
`7`		`24`
`8`		`26`
`9`		`28`
`10`		`30`
`11`		`33`
`12`		`36`
`13`		`39`
`14`		`40`
`15`		`42`
`16`		`44`
`17`		`46`
`18`		`48`
`19`		`50`
`20`		`55`
`21`		`60`
`22`		`62`
`23`		`63`
`24`		`64`
`25`		`66`
`26`		`68`
`27`		`69`
`28`		`70`
`29`		`77`
`30`		`80`
`31`		`82`
`32`		`84`
`33`		`86`
`34`		`88`
`35`		`90`
`36`		`93`
`37`		`96`
`38`		`99`
`39`		`100`
`40`		`110`
`41`		`112`
`42`		`114`
`43`		`116`
`44`		`118`
`45`		`120`
`46`		`121`
`47`		`130`
`48`		`132`
`49`		`134`
`50`		`136`
`51`		`138`
`52`		`140`
`53`		`143`
`54`		`144`

[4,6,8,9,20,22,24,26,28,30,33,36,39,40,42,44,46, 48,50,55,60,62,63,64,66,68,69,70,77,80,82,84,86, 88,90,93,96,99,100,110,112,114,116,118,120,121, 130,132,134,136,138,140,143,144]

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

AT&T Labs Research