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 | 3 |
| 2 | 7 |
| 3 | 19 |
| 4 | 67 |
| 5 | 103 |
| 6 | 199 |
| 7 | 487 |
| 8 | 787 |
| 9 | 1447 |
| 10 | 2503 |
| 11 | 2707 |
| 12 | 3847 |
| 13 | 4099 |
| 14 | 4903 |
| 15 | 5479 |
| 16 | 5779 |
| 17 | 8467 |
| 18 | 8839 |
| 19 | 11239 |
| 20 | 12547 |
| 21 | 14887 |
| 22 | 16903 |
| 23 | 17959 |
| 24 | 19603 |
| 25 | 21319 |
| 26 | 23719 |
| 27 | 24967 |
| 28 | 25603 |
| 29 | 29587 |
| 30 | 31687 |
| 31 | 47527 |
| 32 | 52903 |
| 33 | 58567 |
| 34 | 59539 |
| 35 | 61507 |
| 36 | 65539 |
| 37 | 75079 |
| 38 | 81799 |
| 39 | 88807 |