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 | 1 |
| 2 | 1521 |
| 3 | 5733 |
| 4 | 92781 |
| 5 | 108927 |
| 6 | 544635 |
| 7 | 628849 |
| 8 | 1886547 |
| 9 | 2069613 |
| 10 | 2723175 |
| 11 | 2876211 |
| 12 | 5659641 |
| 13 | 16978923 |
| 14 | 40847625 |
| 15 | 45623655 |
| 16 | 50936769 |
| 17 | 60998353 |
| 18 | 84418425 |
| 19 | 84894615 |
| 20 | 89162541 |
| 21 | 173369889 |
| 22 | 182995059 |
| 23 | 191166885 |
| 24 | 262840851 |
| 25 | 401164731 |
| 26 | 424473075 |
| 27 | 426988471 |