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 | 12 |
| 3 | 16 |
| 4 | 52 |
| 5 | 60 |
| 6 | 120 |
| 7 | 132 |
| 8 | 216 |
| 9 | 232 |
| 10 | 340 |
| 11 | 360 |
| 12 | 492 |
| 13 | 516 |
| 14 | 672 |
| 15 | 700 |
| 16 | 880 |
| 17 | 912 |
| 18 | 1116 |
| 19 | 1152 |
| 20 | 1380 |
| 21 | 1420 |
| 22 | 1672 |
| 23 | 1716 |
| 24 | 1992 |
| 25 | 2040 |
| 26 | 2340 |
| 27 | 2392 |
| 28 | 2716 |
| 29 | 2772 |
| 30 | 3120 |
| 31 | 3180 |
| 32 | 3552 |
| 33 | 3616 |
| 34 | 4012 |
| 35 | 4080 |
| 36 | 4500 |
| 37 | 4572 |
| 38 | 5016 |
| 39 | 5092 |
| 40 | 5560 |
| 41 | 5640 |
| 42 | 6132 |
| 43 | 6216 |
| 44 | 6732 |
| 45 | 6820 |