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 | 3 |
| 2 | 24 |
| 3 | 120 |
| 4 | 288 |
| 5 | 528 |
| 6 | 840 |
| 7 | 1680 |
| 8 | 2208 |
| 9 | 2808 |
| 10 | 3480 |
| 11 | 5040 |
| 12 | 6888 |
| 13 | 7920 |
| 14 | 10200 |
| 15 | 11448 |
| 16 | 12768 |
| 17 | 17160 |
| 18 | 18768 |
| 19 | 22200 |
| 20 | 27888 |
| 21 | 29928 |
| 22 | 32040 |
| 23 | 36480 |
| 24 | 38808 |
| 25 | 51528 |
| 26 | 54288 |
| 27 | 57120 |
| 28 | 63000 |
| 29 | 66048 |
| 30 | 69168 |
| 31 | 72360 |
| 32 | 78960 |
| 33 | 85848 |
| 34 | 96720 |
| 35 | 100488 |
| 36 | 120408 |
| 37 | 124608 |
| 38 | 128880 |
| 39 | 146688 |