A028257 as tables, graphs or sounds

A028257 formatted as a simple table:

`n`		`a(n)`
`1`		`1`
`2`		`2`
`3`		`3`
`4`		`3`
`5`		`6`
`6`		`17`
`7`		`23`
`8`		`25`
`9`		`27`
`10`		`73`
`11`		`84`
`12`		`201`
`13`		`750`
`14`		`24981`
`15`		`46882`
`16`		`119318`
`17`		`121154`
`18`		`242807`
`19`		`276226`
`20`		`3009377`
`21`		`3383197`
`22`		`37871208`
`23`		`45930966`
`24`		`261728403`
`25`		`281868388`
`26`		`3021299588`
`27`		`3230725884`
`28`		`13646315477`

[1,2,3,3,6,17,23,25,27,73,84,201,750,24981,46882, 119318,121154,242807,276226,3009377,3383197, 37871208,45930966,261728403,281868388,3021299588, 3230725884,13646315477]

Last modified December 4 12:48 EST 2009. Contains 170310 sequences.

AT&T Labs Research