A007628 as tables, graphs or sounds

A007628 formatted as a simple table:

`n`		`a(n)`
`1`		`13`
`2`		`31`
`3`		`113`
`4`		`311`
`5`		`1031`
`6`		`1033`
`7`		`1103`
`8`		`1181`
`9`		`1301`
`10`		`1381`
`11`		`1831`
`12`		`3011`
`13`		`3083`
`14`		`3301`
`15`		`3803`
`16`		`10333`
`17`		`11003`
`18`		`11083`
`19`		`11833`
`20`		`18013`
`21`		`18133`
`22`		`18803`
`23`		`30011`
`24`		`30881`
`25`		`31033`
`26`		`31081`
`27`		`31183`
`28`		`33013`
`29`		`33181`
`30`		`33301`
`31`		`33811`
`32`		`38011`
`33`		`38113`

[13,31,113,311,1031,1033,1103,1181,1301,1381,1831, 3011,3083,3301,3803,10333,11003,11083,11833,18013, 18133,18803,30011,30881,31033,31081,31183,33013, 33181,33301,33811,38011,38113]

Last modified December 1 19:22 EST 2009. Contains 167811 sequences.

AT&T Labs Research