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 | 15 |
| 3 | 80 |
| 4 | 192 |
| 5 | 1472 |
| 6 | 1482 |
| 7 | 1512 |
| 8 | 1539 |
| 9 | 1938 |
| 10 | 2090 |
| 11 | 2197 |
| 12 | 2370 |
| 13 | 2805 |
| 14 | 3045 |
| 15 | 4095 |
| 16 | 4356 |
| 17 | 4557 |
| 18 | 5796 |
| 19 | 5978 |
| 20 | 6018 |
| 21 | 6156 |
| 22 | 7130 |
| 23 | 7920 |
| 24 | 11445 |
| 25 | 12125 |
| 26 | 12852 |
| 27 | 13578 |
| 28 | 13800 |
| 29 | 15435 |
| 30 | 20405 |
| 31 | 26562 |
| 32 | 29375 |
| 33 | 29592 |
| 34 | 30996 |
| 35 | 31141 |
| 36 | 31682 |
| 37 | 32205 |
| 38 | 42975 |
| 39 | 45733 |
| 40 | 46060 |
| 41 | 49218 |
| 42 | 50652 |
| 43 | 51645 |
| 44 | 51834 |
| 45 | 52767 |
| 46 | 54272 |
| 47 | 55272 |