A109474 as tables, graphs or sounds

A109474 formatted as a simple table:

`n`		`a(n)`
`1`		`1`
`2`		`3`
`3`		`4`
`4`		`13`
`5`		`14`
`6`		`23`
`7`		`24`
`8`		`33`
`9`		`34`
`10`		`43`
`11`		`44`
`12`		`53`
`13`		`54`
`14`		`63`
`15`		`64`
`16`		`73`
`17`		`74`
`18`		`83`
`19`		`84`
`20`		`93`
`21`		`94`
`22`		`103`
`23`		`104`
`24`		`113`
`25`		`114`
`26`		`123`
`27`		`124`
`28`		`133`
`29`		`134`
`30`		`143`
`31`		`144`
`32`		`153`
`33`		`154`
`34`		`163`
`35`		`164`
`36`		`173`
`37`		`174`
`38`		`183`
`39`		`184`
`40`		`193`
`41`		`194`
`42`		`203`
`43`		`204`
`44`		`213`
`45`		`214`
`46`		`223`
`47`		`224`
`48`		`233`
`49`		`234`
`50`		`243`
`51`		`244`
`52`		`253`
`53`		`254`
`54`		`263`
`55`		`264`
`56`		`273`
`57`		`274`
`58`		`283`
`59`		`284`

[1,3,4,13,14,23,24,33,34,43,44,53,54,63,64,73,74, 83,84,93,94,103,104,113,114,123,124,133,134,143, 144,153,154,163,164,173,174,183,184,193,194,203, 204,213,214,223,224,233,234,243,244,253,254,263, 264,273,274,283,284]

Last modified December 1 13:27 EST 2009. Contains 167806 sequences.

AT&T Labs Research