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 | 3 |
| 3 | 20 |
| 4 | 86 |
| 5 | 97 |
| 6 | 110 |
| 7 | 176 |
| 8 | 187 |
| 9 | 266 |
| 10 | 277 |
| 11 | 356 |
| 12 | 367 |
| 13 | 457 |
| 14 | 637 |
| 15 | 714 |
| 16 | 716 |
| 17 | 727 |
| 18 | 804 |
| 19 | 815 |
| 20 | 894 |
| 21 | 984 |
| 22 | 1087 |
| 23 | 1177 |
| 24 | 1267 |
| 25 | 1357 |
| 26 | 1436 |
| 27 | 1537 |
| 28 | 1614 |
| 29 | 1616 |
| 30 | 1627 |
| 31 | 1704 |
| 32 | 1715 |
| 33 | 1884 |
| 34 | 1985 |
| 35 | 2077 |
| 36 | 2235 |
| 37 | 2257 |
| 38 | 2516 |
| 39 | 2694 |
| 40 | 2784 |
| 41 | 2885 |
| 42 | 3045 |
| 43 | 3135 |
| 44 | 3315 |
| 45 | 3326 |
| 46 | 3337 |
| 47 | 3414 |