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 | 1 |
| 3 | 1 |
| 4 | 1 |
| 5 | 2 |
| 6 | 3 |
| 7 | 1 |
| 8 | 5 |
| 9 | 12 |
| 10 | 22 |
| 11 | 1 |
| 12 | 14 |
| 13 | 55 |
| 14 | 140 |
| 15 | 285 |
| 16 | 1 |
| 17 | 42 |
| 18 | 273 |
| 19 | 969 |
| 20 | 2530 |
| 21 | 5481 |
| 22 | 1 |
| 23 | 132 |
| 24 | 1428 |
| 25 | 7084 |
| 26 | 23751 |
| 27 | 62832 |
| 28 | 141778 |
| 29 | 1 |
| 30 | 429 |
| 31 | 7752 |
| 32 | 53820 |
| 33 | 231880 |
| 34 | 749398 |
| 35 | 1997688 |
| 36 | 4638348 |
| 37 | 1 |
| 38 | 1430 |
| 39 | 43263 |
| 40 | 420732 |
| 41 | 2330445 |
| 42 | 9203634 |
| 43 | 28989675 |
| 44 | 77652024 |