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 | 61 |
| 2 | 1069 |
| 3 | 2293 |
| 4 | 2879 |
| 5 | 5441 |
| 6 | 20347 |
| 7 | 145823 |
| 8 | 183949 |
| 9 | 187171 |
| 10 | 207629 |
| 11 | 219649 |
| 12 | 278087 |
| 13 | 412171 |
| 14 | 420467 |
| 15 | 421273 |
| 16 | 507503 |
| 17 | 536479 |
| 18 | 696937 |
| 19 | 698311 |
| 20 | 774929 |
| 21 | 792283 |
| 22 | 1028081 |
| 23 | 1310137 |
| 24 | 1432927 |
| 25 | 1470757 |
| 26 | 1726211 |
| 27 | 1803881 |
| 28 | 1861817 |
| 29 | 1904477 |
| 30 | 1928561 |