This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 21 |
| 4 | 211 |
| 5 | 212 |
| 6 | 2111 |
| 7 | 2112 |
| 8 | 2122 |
| 9 | 21111 |
| 10 | 21112 |
| 11 | 21121 |
| 12 | 21122 |
| 13 | 21221 |
| 14 | 21222 |
| 15 | 211111 |
| 16 | 211112 |
| 17 | 211121 |
| 18 | 211122 |
| 19 | 211221 |
| 20 | 211222 |
| 21 | 212211 |
| 22 | 212221 |
| 23 | 212222 |
| 24 | 2111111 |
| 25 | 2111112 |
| 26 | 2111121 |
| 27 | 2111122 |
| 28 | 2111211 |
| 29 | 2111221 |
| 30 | 2111222 |
| 31 | 2112121 |
| 32 | 2112211 |
| 33 | 2112221 |
| 34 | 2112222 |
| 35 | 2122111 |
| 36 | 2122112 |
| 37 | 2122121 |
| 38 | 2122211 |
| 39 | 2122212 |
| 40 | 2122221 |
| 41 | 2122222 |