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 | 1 |
| 3 | 4 |
| 4 | 2 |
| 5 | 1 |
| 6 | 26 |
| 7 | 10 |
| 8 | 3 |
| 9 | 1 |
| 10 | 226 |
| 11 | 74 |
| 12 | 19 |
| 13 | 4 |
| 14 | 1 |
| 15 | 2426 |
| 16 | 706 |
| 17 | 167 |
| 18 | 31 |
| 19 | 5 |
| 20 | 1 |
| 21 | 30826 |
| 22 | 8162 |
| 23 | 1831 |
| 24 | 320 |
| 25 | 46 |
| 26 | 6 |
| 27 | 1 |
| 28 | 451586 |
| 29 | 110410 |
| 30 | 23843 |
| 31 | 4021 |
| 32 | 548 |
| 33 | 64 |
| 34 | 7 |
| 35 | 1 |
| 36 | 7489426 |
| 37 | 1708394 |
| 38 | 358339 |
| 39 | 59024 |
| 40 | 7801 |
| 41 | 866 |
| 42 | 85 |
| 43 | 8 |
| 44 | 1 |
| 45 | 138722426 |
| 46 | 29752066 |
| 47 | 6097607 |
| 48 | 987763 |
| 49 | 127985 |