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 | 0 |
| 2 | 2 |
| 3 | 13 |
| 4 | 94 |
| 5 | 129 |
| 6 | 247 |
| 7 | 306 |
| 8 | 555 |
| 9 | 745 |
| 10 | 999 |
| 11 | 1579 |
| 12 | 1555 |
| 13 | 2466 |
| 14 | 2653 |
| 15 | 3059 |
| 16 | 4581 |
| 17 | 5430 |
| 18 | 6351 |
| 19 | 6658 |
| 20 | 8409 |
| 21 | 9087 |
| 22 | 11158 |
| 23 | 11996 |
| 24 | 12858 |
| 25 | 14814 |
| 26 | 15788 |
| 27 | 17880 |
| 28 | 17277 |
| 29 | 18950 |
| 30 | 19481 |
| 31 | 22400 |
| 32 | 24876 |
| 33 | 23518 |
| 34 | 27448 |
| 35 | 28115 |
| 36 | 32285 |
| 37 | 36743 |
| 38 | 38269 |
| 39 | 39851 |
| 40 | 43111 |
| 41 | 47406 |
| 42 | 50055 |
| 43 | 53683 |
| 44 | 51645 |
| 45 | 58274 |
| 46 | 66410 |
| 47 | 65119 |
| 48 | 76013 |
| 49 | 80465 |