A031081 as tables, graphs or sounds

A031081 formatted as a simple table:

`n`		`a(n)`
`1`		`4`
`2`		`18`
`3`		`36`
`4`		`54`
`5`		`63`
`6`		`65`
`7`		`67`
`8`		`69`
`9`		`71`
`10`		`72`
`11`		`73`
`12`		`75`
`13`		`77`
`14`		`79`
`15`		`90`
`16`		`108`
`17`		`126`
`18`		`144`
`19`		`167`
`20`		`194`
`21`		`221`
`22`		`248`
`23`		`262`
`24`		`265`
`25`		`268`
`26`		`271`
`27`		`274`
`28`		`275`
`29`		`277`
`30`		`280`
`31`		`283`
`32`		`286`
`33`		`302`
`34`		`329`
`35`		`356`
`36`		`383`
`37`		`410`
`38`		`437`
`39`		`464`
`40`		`491`
`41`		`505`
`42`		`508`
`43`		`511`
`44`		`514`
`45`		`517`
`46`		`518`
`47`		`520`
`48`		`523`
`49`		`526`

[4,18,36,54,63,65,67,69,71,72,73,75,77,79,90,108, 126,144,167,194,221,248,262,265,268,271,274,275, 277,280,283,286,302,329,356,383,410,437,464,491, 505,508,511,514,517,518,520,523,526]

Last modified December 16 17:18 EST 2009. Contains 170825 sequences.

AT&T Labs Research