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) |
|---|---|
| 3 | 12 |
| 4 | 36 |
| 5 | 66 |
| 6 | 102 |
| 7 | 144 |
| 8 | 192 |
| 9 | 246 |
| 10 | 306 |
| 11 | 372 |
| 12 | 444 |
| 13 | 522 |
| 14 | 606 |
| 15 | 696 |
| 16 | 792 |
| 17 | 894 |
| 18 | 1002 |
| 19 | 1116 |
| 20 | 1236 |
| 21 | 1362 |
| 22 | 1494 |
| 23 | 1632 |
| 24 | 1776 |
| 25 | 1926 |
| 26 | 2082 |
| 27 | 2244 |
| 28 | 2412 |
| 29 | 2586 |
| 30 | 2766 |
| 31 | 2952 |
| 32 | 3144 |
| 33 | 3342 |
| 34 | 3546 |
| 35 | 3756 |
| 36 | 3972 |
| 37 | 4194 |
| 38 | 4422 |
| 39 | 4656 |
| 40 | 4896 |
| 41 | 5142 |
| 42 | 5394 |
| 43 | 5652 |
| 44 | 5916 |
| 45 | 6186 |
| 46 | 6462 |
| 47 | 6744 |
| 48 | 7032 |
| 49 | 7326 |
| 50 | 7626 |
| 51 | 7932 |