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 | 1 |
| 8 | 1 |
| 9 | 0 |
| 10 | 5 |
| 11 | 6 |
| 12 | 0 |
| 13 | 26 |
| 14 | 32 |
| 15 | 0 |
| 16 | 133 |
| 17 | 176 |
| 18 | 0 |
| 19 | 708 |
| 20 | 952 |
| 21 | 0 |
| 22 | 3861 |
| 23 | 5302 |
| 24 | 0 |
| 25 | 21604 |
| 26 | 29960 |
| 27 | 0 |
| 28 | 123266 |
| 29 | 172535 |
| 30 | 0 |
| 31 | 715221 |
| 32 | 1007575 |
| 33 | 0 |
| 34 | 4206956 |
| 35 | 5959656 |
| 36 | 0 |
| 37 | 25032840 |
| 38 | 35622384 |
| 39 | 0 |
| 40 | 150413348 |
| 41 | 214875099 |
| 42 | 0 |
| 43 | 911379384 |
| 44 | 1306303424 |
| 45 | 0 |
| 46 | 5562367173 |