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 | 3 |
| 3 | 1 |
| 4 | 12 |
| 5 | 9 |
| 6 | 1 |
| 7 | 60 |
| 8 | 75 |
| 9 | 18 |
| 10 | 1 |
| 11 | 358 |
| 12 | 660 |
| 13 | 255 |
| 14 | 30 |
| 15 | 1 |
| 16 | 2471 |
| 17 | 6288 |
| 18 | 3465 |
| 19 | 645 |
| 20 | 45 |
| 21 | 1 |
| 22 | 19302 |
| 23 | 65051 |
| 24 | 47838 |
| 25 | 12495 |
| 26 | 1365 |
| 27 | 63 |
| 28 | 1 |
| 29 | 167894 |
| 30 | 728556 |
| 31 | 685580 |
| 32 | 235193 |
| 33 | 35700 |
| 34 | 2562 |
| 35 | 84 |
| 36 | 1 |
| 37 | 1606137 |
| 38 | 8792910 |
| 39 | 10285488 |
| 40 | 4444188 |
| 41 | 877653 |
| 42 | 86940 |
| 43 | 4410 |
| 44 | 108 |
| 45 | 1 |