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 | 199 |
| 2 | 1831 |
| 3 | 5591 |
| 4 | 30593 |
| 5 | 81463 |
| 6 | 82073 |
| 7 | 162143 |
| 8 | 173359 |
| 9 | 404597 |
| 10 | 542603 |
| 11 | 544279 |
| 12 | 1100977 |
| 13 | 1444309 |
| 14 | 2238823 |
| 15 | 5845193 |
| 16 | 6752623 |
| 17 | 6958667 |
| 18 | 11981443 |
| 19 | 13626257 |
| 20 | 49269581 |
| 21 | 83751121 |
| 22 | 147684137 |
| 23 | 166726367 |
| 24 | 378043979 |
| 25 | 895858039 |
| 26 | 1872851947 |