A060840 as tables, graphs or sounds

A060840 formatted as a simple table:

`n`		`a(n)`
`1`		`1`
`2`		`2`
`3`		`3`
`4`		`3`
`5`		`6`
`6`		`9`
`7`		`9`
`8`		`18`
`9`		`9`
`10`		`9`
`11`		`18`
`12`		`27`
`13`		`27`
`14`		`54`
`15`		`81`
`16`		`81`
`17`		`162`
`18`		`54`
`19`		`54`
`20`		`108`
`21`		`162`
`22`		`162`
`23`		`324`
`24`		`486`
`25`		`486`
`26`		`972`
`27`		`27`
`28`		`27`
`29`		`54`
`30`		`81`
`31`		`81`
`32`		`162`
`33`		`243`
`34`		`243`
`35`		`486`
`36`		`243`
`37`		`243`
`38`		`486`
`39`		`729`
`40`		`729`
`41`		`1458`
`42`		`2187`
`43`		`2187`
`44`		`4374`
`45`		`1458`
`46`		`1458`
`47`		`2916`
`48`		`4374`
`49`		`4374`
`50`		`8748`
`51`		`13122`
`52`		`13122`
`53`		`26244`
`54`		`405`
`55`		`405`
`56`		`810`

[1,2,3,3,6,9,9,18,9,9,18,27,27,54,81,81,162,54,54, 108,162,162,324,486,486,972,27,27,54,81,81,162, 243,243,486,243,243,486,729,729,1458,2187,2187, 4374,1458,1458,2916,4374,4374,8748,13122,13122, 26244,405,405,810]

Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

AT&T Labs Research