A107689 - OEIS

The OEIS is supported by the many generous donors to the OEIS Foundation.

A107689 as a simple table

`n`		`a(n)`
`1`		`3`
`2`		`13`
`3`		`31`
`4`		`113`
`5`		`131`
`6`		`311`
`7`		`11113`
`8`		`11131`
`9`		`11311`
`10`		`113111`
`11`		`131111`
`12`		`311111`
`13`		`11111131`
`14`		`11111311`
`15`		`11113111`
`16`		`11131111`
`17`		`111111113`
`18`		`111111131`
`19`		`111113111`
`20`		`131111111`
`21`		`11111111113`
`22`		`11111111131`
`23`		`11113111111`
`24`		`11131111111`
`25`		`31111111111`

[3,13,31,113,131,311,11113,11131,11311,113111, 131111,311111,11111131,11111311,11113111,11131111, 111111113,111111131,111113111,131111111, 11111111113,11111111131,11113111111,11131111111, 31111111111]

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 19 04:35 EDT 2024. Contains 371782 sequences. (Running on oeis4.)