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 | 0 |
| 1 | 0 |
| 2 | 0 |
| 3 | 0 |
| 4 | 0 |
| 5 | 0 |
| 6 | 1 |
| 7 | 1 |
| 8 | 3 |
| 9 | 4 |
| 10 | 6 |
| 11 | 9 |
| 12 | 14 |
| 13 | 17 |
| 14 | 27 |
| 15 | 34 |
| 16 | 46 |
| 17 | 61 |
| 18 | 82 |
| 19 | 99 |
| 20 | 135 |
| 21 | 165 |
| 22 | 208 |
| 23 | 261 |
| 24 | 325 |
| 25 | 389 |
| 26 | 490 |
| 27 | 584 |
| 28 | 708 |
| 29 | 852 |
| 30 | 1023 |
| 31 | 1200 |
| 32 | 1445 |
| 33 | 1687 |
| 34 | 1984 |
| 35 | 2327 |
| 36 | 2717 |
| 37 | 3133 |
| 38 | 3663 |
| 39 | 4199 |
| 40 | 4838 |
| 41 | 5557 |
| 42 | 6360 |
| 43 | 7225 |
| 44 | 8267 |
| 45 | 9344 |
| 46 | 10587 |
| 47 | 11968 |
| 48 | 13489 |
| 49 | 15126 |
| 50 | 17037 |
| 51 | 19023 |