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 | 23 |
| 2 | 61 |
| 3 | 1123 |
| 4 | 1213 |
| 5 | 1231 |
| 6 | 1321 |
| 7 | 2113 |
| 8 | 2131 |
| 9 | 2311 |
| 10 | 3121 |
| 11 | 11161 |
| 12 | 11213 |
| 13 | 11321 |
| 14 | 12113 |
| 15 | 13121 |
| 16 | 16111 |
| 17 | 31121 |
| 18 | 111611 |
| 19 | 611111 |
| 20 | 1111213 |
| 21 | 1112113 |
| 22 | 1112131 |
| 23 | 1131121 |
| 24 | 1211311 |
| 25 | 2111311 |
| 26 | 3112111 |
| 27 | 11111161 |
| 28 | 11112113 |
| 29 | 11211131 |
| 30 | 11231111 |
| 31 | 11312111 |