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 | 471769 |
| 2 | 1380289 |
| 3 | 1854889 |
| 4 | 2605849 |
| 5 | 2754049 |
| 6 | 3900121 |
| 7 | 3903769 |
| 8 | 6324847 |
| 9 | 6966961 |
| 10 | 7244449 |
| 11 | 8574721 |
| 12 | 8679841 |
| 13 | 8912401 |
| 14 | 9470161 |
| 15 | 10448881 |
| 16 | 11183041 |
| 17 | 13313161 |
| 18 | 13383841 |
| 19 | 13577041 |
| 20 | 13983841 |
| 21 | 15132121 |
| 22 | 15792001 |
| 23 | 16238401 |
| 24 | 16639681 |
| 25 | 17610961 |
| 26 | 17785951 |
| 27 | 18367561 |