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 | 3637 |
| 2 | 576577 |
| 3 | 2433624337 |
| 4 | 3240032401 |
| 5 | 4410044101 |
| 6 | 6969669697 |
| 7 | 352836352837 |
| 8 | 404496404497 |
| 9 | 746496746497 |
| 10 | 16641001664101 |
| 11 | 17424001742401 |
| 12 | 20050562005057 |
| 13 | 20736002073601 |
| 14 | 24523562452357 |
| 15 | 26049962604997 |
| 16 | 28022762802277 |
| 17 | 34596003459601 |
| 18 | 35494563549457 |
| 19 | 42600964260097 |