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 | 0 |
| 3 | 0 |
| 4 | 0 |
| 5 | 0 |
| 6 | 0 |
| 7 | 0 |
| 8 | 0 |
| 9 | 1 |
| 10 | 1 |
| 11 | 1 |
| 12 | 2 |
| 13 | 3 |
| 14 | 4 |
| 15 | 7 |
| 16 | 9 |
| 17 | 12 |
| 18 | 17 |
| 19 | 23 |
| 20 | 30 |
| 21 | 40 |
| 22 | 51 |
| 23 | 66 |
| 24 | 85 |
| 25 | 108 |
| 26 | 136 |
| 27 | 173 |
| 28 | 215 |
| 29 | 268 |
| 30 | 331 |
| 31 | 406 |
| 32 | 498 |
| 33 | 612 |
| 34 | 742 |
| 35 | 900 |
| 36 | 1088 |
| 37 | 1311 |
| 38 | 1573 |
| 39 | 1889 |
| 40 | 2252 |
| 41 | 2682 |
| 42 | 3187 |
| 43 | 3779 |
| 44 | 4467 |
| 45 | 5277 |
| 46 | 6206 |
| 47 | 7294 |
| 48 | 8554 |
| 49 | 10015 |
| 50 | 11695 |
| 51 | 13649 |
| 52 | 15884 |
| 53 | 18467 |
| 54 | 21429 |
| 55 | 24834 |