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 | 16 |
| 3 | 20 |
| 4 | 68 |
| 5 | 76 |
| 6 | 156 |
| 7 | 168 |
| 8 | 280 |
| 9 | 296 |
| 10 | 440 |
| 11 | 460 |
| 12 | 636 |
| 13 | 660 |
| 14 | 868 |
| 15 | 896 |
| 16 | 1136 |
| 17 | 1168 |
| 18 | 1440 |
| 19 | 1476 |
| 20 | 1780 |
| 21 | 1820 |
| 22 | 2156 |
| 23 | 2200 |
| 24 | 2568 |
| 25 | 2616 |
| 26 | 3016 |
| 27 | 3068 |
| 28 | 3500 |
| 29 | 3556 |
| 30 | 4020 |
| 31 | 4080 |
| 32 | 4576 |
| 33 | 4640 |
| 34 | 5168 |
| 35 | 5236 |
| 36 | 5796 |
| 37 | 5868 |
| 38 | 6460 |
| 39 | 6536 |
| 40 | 7160 |
| 41 | 7240 |
| 42 | 7896 |
| 43 | 7980 |
| 44 | 8668 |
| 45 | 8756 |
| 46 | 9476 |
| 47 | 9568 |