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 | 12 |
| 5 | 30 |
| 6 | 54 |
| 7 | 60 |
| 8 | 92 |
| 9 | 165 |
| 10 | 186 |
| 11 | 190 |
| 12 | 247 |
| 13 | 249 |
| 14 | 287 |
| 15 | 446 |
| 16 | 671 |
| 17 | 674 |
| 18 | 910 |
| 19 | 1089 |
| 20 | 6310 |
| 21 | 6335 |
| 22 | 6815 |
| 23 | 6844 |
| 24 | 9116 |
| 25 | 9243 |
| 26 | 10215 |
| 27 | 11805 |
| 28 | 12234 |
| 29 | 12244 |
| 30 | 12249 |
| 31 | 12467 |
| 32 | 12522 |
| 33 | 13074 |
| 34 | 13481 |
| 35 | 13556 |
| 36 | 13564 |
| 37 | 14751 |
| 38 | 15505 |
| 39 | 15597 |
| 40 | 16158 |
| 41 | 16220 |
| 42 | 16232 |
| 43 | 16242 |
| 44 | 16306 |
| 45 | 17036 |
| 46 | 18069 |
| 47 | 18578 |
| 48 | 21742 |