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 | 43 |
| 2 | 173 |
| 3 | 439 |
| 4 | 1571 |
| 5 | 3823 |
| 6 | 10141 |
| 7 | 21139 |
| 8 | 38113 |
| 9 | 83203 |
| 10 | 122449 |
| 11 | 154493 |
| 12 | 172423 |
| 13 | 191689 |
| 14 | 433123 |
| 15 | 468389 |
| 16 | 673639 |
| 17 | 1318789 |
| 18 | 1392271 |
| 19 | 1628989 |
| 20 | 2388013 |
| 21 | 2608889 |
| 22 | 3771923 |
| 23 | 4225121 |
| 24 | 4546573 |
| 25 | 4713239 |
| 26 | 4883929 |
| 27 | 6609139 |
| 28 | 6822709 |
| 29 | 7959799 |