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 | 7 |
| 2 | 13 |
| 3 | 19 |
| 4 | 37 |
| 5 | 79 |
| 6 | 97 |
| 7 | 139 |
| 8 | 163 |
| 9 | 313 |
| 10 | 349 |
| 11 | 607 |
| 12 | 709 |
| 13 | 877 |
| 14 | 937 |
| 15 | 1063 |
| 16 | 1129 |
| 17 | 1489 |
| 18 | 1567 |
| 19 | 1987 |
| 20 | 2557 |
| 21 | 2659 |
| 22 | 3313 |
| 23 | 3547 |
| 24 | 4297 |
| 25 | 5119 |
| 26 | 5557 |
| 27 | 7489 |
| 28 | 8017 |
| 29 | 8563 |
| 30 | 9127 |
| 31 | 9319 |
| 32 | 9907 |
| 33 | 10513 |
| 34 | 11779 |
| 35 | 12889 |
| 36 | 15013 |
| 37 | 15259 |
| 38 | 16519 |
| 39 | 17299 |
| 40 | 18097 |
| 41 | 18367 |
| 42 | 18913 |
| 43 | 20029 |