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 | 7 |
| 2 | 37 |
| 3 | 117 |
| 4 | 127 |
| 5 | 217 |
| 6 | 387 |
| 7 | 397 |
| 8 | 547 |
| 9 | 657 |
| 10 | 817 |
| 11 | 1027 |
| 12 | 1197 |
| 13 | 1267 |
| 14 | 1387 |
| 15 | 1647 |
| 16 | 1657 |
| 17 | 1727 |
| 18 | 2107 |
| 19 | 2437 |
| 20 | 2457 |
| 21 | 2717 |
| 22 | 2977 |
| 23 | 3087 |
| 24 | 3367 |
| 25 | 3997 |
| 26 | 4167 |
| 27 | 4447 |
| 28 | 4697 |
| 29 | 4977 |
| 30 | 5167 |
| 31 | 5677 |
| 32 | 5707 |
| 33 | 6327 |
| 34 | 6347 |
| 35 | 6487 |
| 36 | 6517 |
| 37 | 7057 |
| 38 | 7317 |
| 39 | 7657 |
| 40 | 7957 |
| 41 | 8587 |
| 42 | 8937 |
| 43 | 9197 |
| 44 | 9317 |