A009993 as tables, graphs or sounds

A009993 formatted as a simple table:

`n`		`a(n)`
`1`		`0`
`2`		`1`
`3`		`2`
`4`		`3`
`5`		`4`
`6`		`5`
`7`		`6`
`8`		`7`
`9`		`8`
`10`		`9`
`11`		`12`
`12`		`13`
`13`		`14`
`14`		`15`
`15`		`16`
`16`		`17`
`17`		`18`
`18`		`19`
`19`		`23`
`20`		`24`
`21`		`25`
`22`		`26`
`23`		`27`
`24`		`28`
`25`		`29`
`26`		`34`
`27`		`35`
`28`		`36`
`29`		`37`
`30`		`38`
`31`		`39`
`32`		`45`
`33`		`46`
`34`		`47`
`35`		`48`
`36`		`49`
`37`		`56`
`38`		`57`
`39`		`58`
`40`		`59`
`41`		`67`
`42`		`68`
`43`		`69`
`44`		`78`
`45`		`79`
`46`		`89`
`47`		`123`
`48`		`124`
`49`		`125`
`50`		`126`
`51`		`127`
`52`		`128`
`53`		`129`
`54`		`134`
`55`		`135`
`56`		`136`
`57`		`137`
`58`		`138`
`59`		`139`
`60`		`145`
`61`		`146`
`62`		`147`
`63`		`148`
`64`		`149`
`65`		`156`
`66`		`157`

[0,1,2,3,4,5,6,7,8,9,12,13,14,15,16,17,18,19,23, 24,25,26,27,28,29,34,35,36,37,38,39,45,46,47,48, 49,56,57,58,59,67,68,69,78,79,89,123,124,125,126, 127,128,129,134,135,136,137,138,139,145,146,147, 148,149,156,157]

Last modified December 6 11:04 EST 2009. Contains 170427 sequences.

AT&T Labs Research