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 | 37 |
| 3 | 41 |
| 4 | 43 |
| 5 | 47 |
| 6 | 49 |
| 7 | 58 |
| 8 | 65 |
| 9 | 69 |
| 10 | 81 |
| 11 | 85 |
| 12 | 92 |
| 13 | 128 |
| 14 | 130 |
| 15 | 135 |
| 16 | 136 |
| 17 | 154 |
| 18 | 184 |
| 19 | 208 |
| 20 | 220 |
| 21 | 228 |
| 22 | 450 |
| 23 | 540 |
| 24 | 840 |