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 | 18 |
| 3 | 26 |
| 4 | 324 |
| 5 | 42 |
| 6 | 468 |
| 7 | 58 |
| 8 | 5832 |
| 9 | 676 |
| 10 | 756 |
| 11 | 90 |
| 12 | 8424 |
| 13 | 106 |
| 14 | 1044 |
| 15 | 1092 |
| 16 | 104976 |
| 17 | 138 |
| 18 | 12168 |
| 19 | 154 |
| 20 | 13608 |
| 21 | 1508 |
| 22 | 1620 |
| 23 | 186 |
| 24 | 151632 |
| 25 | 1764 |
| 26 | 1908 |
| 27 | 17576 |
| 28 | 18792 |
| 29 | 234 |
| 30 | 19656 |
| 31 | 250 |
| 32 | 1889568 |
| 33 | 2340 |
| 34 | 2484 |
| 35 | 2436 |
| 36 | 219024 |
| 37 | 298 |
| 38 | 2772 |
| 39 | 2756 |
| 40 | 244944 |
| 41 | 330 |
| 42 | 27144 |
| 43 | 346 |