A002648 as tables, graphs or sounds

A002648 formatted as a simple table:

`n`		`a(n)`
`1`		`13`
`2`		`109`
`3`		`193`
`4`		`433`
`5`		`769`
`6`		`1201`
`7`		`1453`
`8`		`2029`
`9`		`3469`
`10`		`3889`
`11`		`4801`
`12`		`10093`
`13`		`12289`
`14`		`13873`
`15`		`18253`
`16`		`20173`
`17`		`21169`
`18`		`22189`
`19`		`28813`
`20`		`37633`
`21`		`43201`
`22`		`47629`
`23`		`60493`
`24`		`63949`
`25`		`65713`
`26`		`69313`
`27`		`73009`
`28`		`76801`
`29`		`84673`
`30`		`106033`
`31`		`108301`
`32`		`112909`
`33`		`115249`
`34`		`129793`
`35`		`139969`

[13,109,193,433,769,1201,1453,2029,3469,3889,4801, 10093,12289,13873,18253,20173,21169,22189,28813, 37633,43201,47629,60493,63949,65713,69313,73009, 76801,84673,106033,108301,112909,115249,129793, 139969]

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

AT&T Labs Research