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 | 25 |
| 2 | 27 |
| 3 | 2209 |
| 4 | 3481 |
| 5 | 3721 |
| 6 | 6859 |
| 7 | 6889 |
| 8 | 18769 |
| 9 | 22201 |
| 10 | 22801 |
| 11 | 157609 |
| 12 | 1079521 |
| 13 | 1630729 |
| 14 | 1635841 |
| 15 | 2621161 |
| 16 | 2627641 |
| 17 | 2825761 |
| 18 | 3179089 |
| 19 | 5257849 |
| 20 | 5276209 |
| 21 | 7447441 |
| 22 | 7458361 |
| 23 | 17032129 |
| 24 | 17048641 |
| 25 | 34304449 |
| 26 | 34351321 |
| 27 | 40436881 |
| 28 | 40462321 |
| 29 | 75290329 |
| 30 | 75359761 |
| 31 | 137288089 |
| 32 | 137334961 |