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 | 12 |
| 2 | 14 |
| 3 | 113 |
| 4 | 123 |
| 5 | 125 |
| 6 | 135 |
| 7 | 145 |
| 8 | 153 |
| 9 | 155 |
| 10 | 163 |
| 11 | 1032 |
| 12 | 1052 |
| 13 | 1062 |
| 14 | 1112 |
| 15 | 1124 |
| 16 | 1152 |
| 17 | 1154 |
| 18 | 1214 |
| 19 | 1242 |
| 20 | 1262 |
| 21 | 1264 |
| 22 | 1304 |
| 23 | 1314 |
| 24 | 1322 |
| 25 | 1334 |
| 26 | 1352 |
| 27 | 1354 |
| 28 | 1362 |
| 29 | 1422 |
| 30 | 1432 |
| 31 | 1434 |
| 32 | 1444 |
| 33 | 1504 |
| 34 | 1524 |
| 35 | 1532 |
| 36 | 1534 |
| 37 | 1542 |
| 38 | 1552 |
| 39 | 1564 |
| 40 | 1604 |
| 41 | 1612 |
| 42 | 1632 |
| 43 | 1644 |
| 44 | 1654 |