The OEIS is supported by the many generous donors to the OEIS Foundation.
Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 11 |
| 4 | 12 |
| 5 | 111 |
| 6 | 112 |
| 7 | 121 |
| 8 | 122 |
| 9 | 1111 |
| 10 | 1121 |
| 11 | 1211 |
| 12 | 1221 |
| 13 | 2111 |
| 14 | 2121 |
| 15 | 2211 |
| 16 | 2221 |
| 17 | 11111 |
| 18 | 11112 |
| 19 | 11121 |
| 20 | 11122 |
| 21 | 11211 |
| 22 | 11212 |
| 23 | 11221 |
| 24 | 11222 |
| 25 | 12111 |
| 26 | 12112 |
| 27 | 12121 |
| 28 | 12122 |
| 29 | 12211 |
| 30 | 12212 |
| 31 | 12221 |
| 32 | 12222 |
| 33 | 111111 |
| 34 | 111112 |
| 35 | 111121 |
| 36 | 111122 |
| 37 | 112111 |
| 38 | 112112 |
| 39 | 112121 |
| 40 | 112122 |
| 41 | 121111 |
| 42 | 121112 |
| 43 | 121121 |
| 44 | 121122 |
| 45 | 122111 |
| 46 | 122112 |
| 47 | 122121 |
| 48 | 122122 |
[1,2,11,12,111,112,121,122,1111,1121,1211,1221, 2111,2121,2211,2221,11111,11112,11121,11122,11211, 11212,11221,11222,12111,12112,12121,12122,12211, 12212,12221,12222,111111,111112,111121,111122, 112111,112112,112121,112122,121111,121112,121121, 121122,122111,122112,122121,122122] |