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 | 4 |
| 3 | 8 |
| 4 | 12 |
| 5 | 24 |
| 6 | 57 |
| 7 | 105 |
| 8 | 150 |
| 9 | 330 |
| 10 | 645 |
| 11 | 666 |
| 12 | 945 |
| 13 | 1155 |
| 14 | 1770 |
| 15 | 1785 |
| 16 | 2625 |
| 17 | 2925 |
| 18 | 3255 |
| 19 | 3465 |
| 20 | 5145 |
| 21 | 5460 |
| 22 | 5775 |
| 23 | 6930 |
| 24 | 8295 |
| 25 | 10605 |
| 26 | 11340 |
| 27 | 13650 |
| 28 | 15015 |
| 29 | 17205 |
| 30 | 18480 |
| 31 | 19635 |
| 32 | 21945 |
| 33 | 27930 |
| 34 | 30030 |
| 35 | 38115 |
| 36 | 42735 |
| 37 | 45045 |
| 38 | 48840 |
| 39 | 51765 |
| 40 | 53130 |