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) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 2 |
| 3 | 3 |
| 4 | 5 |
| 5 | 6 |
| 6 | 9 |
| 7 | 10 |
| 8 | 13 |
| 9 | 17 |
| 10 | 20 |
| 11 | 26 |
| 12 | 31 |
| 13 | 38 |
| 14 | 44 |
| 15 | 58 |
| 16 | 64 |
| 17 | 81 |
| 18 | 95 |
| 19 | 116 |
| 20 | 137 |
| 21 | 166 |
| 22 | 192 |
| 23 | 233 |
| 24 | 278 |
| 25 | 330 |
| 26 | 385 |
| 27 | 459 |
| 28 | 542 |
| 29 | 636 |
| 30 | 759 |
| 31 | 879 |
| 32 | 1038 |
| 33 | 1211 |
| 34 | 1418 |
| 35 | 1656 |
| 36 | 1942 |
| 37 | 2242 |
| 38 | 2618 |
| 39 | 3029 |
| 40 | 3535 |
| 41 | 4060 |
| 42 | 4735 |
| 43 | 5429 |
| 44 | 6299 |
| 45 | 7231 |
| 46 | 8346 |
| 47 | 9556 |
| 48 | 11031 |
| 49 | 12593 |
| 50 | 14482 |
| 51 | 16525 |