A028991 as tables, graphs or sounds

A028991 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`9`
`2`		`75`
`3`		`111`
`4`		`261`
`5`		`325`
`6`		`559`
`7`		`651`
`8`		`969`
`9`		`1089`
`10`		`1491`
`11`		`1639`
`12`		`2125`
`13`		`2301`
`14`		`2871`
`15`		`3075`
`16`		`3729`
`17`		`3961`
`18`		`4699`
`19`		`4959`
`20`		`5781`
`21`		`6069`
`22`		`6975`
`23`		`7291`
`24`		`8281`
`25`		`8625`
`26`		`9699`
`27`		`10071`
`28`		`11229`
`29`		`11629`
`30`		`12871`
`31`		`13299`
`32`		`14625`
`33`		`15081`
`34`		`16491`
`35`		`16975`
`36`		`18469`
`37`		`18981`
`38`		`20559`
`39`		`21099`

[1,9,75,111,261,325,559,651,969,1089,1491,1639, 2125,2301,2871,3075,3729,3961,4699,4959,5781,6069, 6975,7291,8281,8625,9699,10071,11229,11629,12871, 13299,14625,15081,16491,16975,18469,18981,20559, 21099]

Last modified December 10 12:37 EST 2009. Contains 170569 sequences.

AT&T Labs Research