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 | 2 |
| 3 | 3 |
| 4 | 9 |
| 5 | 12 |
| 6 | 21 |
| 7 | 33 |
| 8 | 72 |
| 9 | 93 |
| 10 | 196 |
| 11 | 228 |
| 12 | 252 |
| 13 | 360 |
| 14 | 475 |
| 15 | 850 |
| 16 | 1458 |
| 17 | 1725 |
| 18 | 1752 |
| 19 | 2100 |
| 20 | 2241 |
| 21 | 2584 |
| 22 | 3007 |
| 23 | 3404 |
| 24 | 4347 |
| 25 | 4743 |
| 26 | 5544 |
| 27 | 5720 |
| 28 | 6555 |
| 29 | 6600 |
| 30 | 9909 |
| 31 | 10512 |
| 32 | 14175 |
| 33 | 15507 |
| 34 | 16680 |
| 35 | 19404 |
| 36 | 26460 |
| 37 | 29008 |
| 38 | 29484 |
| 39 | 36003 |
| 40 | 36400 |
| 41 | 37107 |
| 42 | 46728 |
| 43 | 88209 |
| 44 | 88641 |
| 45 | 89424 |
| 46 | 94770 |