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 | 6 |
| 3 | 28 |
| 4 | 30 |
| 5 | 84 |
| 6 | 102 |
| 7 | 120 |
| 8 | 364 |
| 9 | 420 |
| 10 | 496 |
| 11 | 672 |
| 12 | 840 |
| 13 | 1080 |
| 14 | 1092 |
| 15 | 1320 |
| 16 | 1428 |
| 17 | 1488 |
| 18 | 1782 |
| 19 | 2280 |
| 20 | 2716 |
| 21 | 2760 |
| 22 | 3276 |
| 23 | 3360 |
| 24 | 3444 |
| 25 | 3472 |
| 26 | 3480 |
| 27 | 3720 |
| 28 | 4452 |
| 29 | 5640 |
| 30 | 7080 |
| 31 | 7392 |
| 32 | 7440 |
| 33 | 7560 |
| 34 | 8128 |
| 35 | 8148 |
| 36 | 8736 |
| 37 | 8910 |
| 38 | 9240 |
| 39 | 9480 |
| 40 | 10416 |
| 41 | 10920 |
| 42 | 11880 |
| 43 | 12400 |
| 44 | 15456 |
| 45 | 15960 |