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 | 14488 |
| 2 | 57880 |
| 3 | 258096 |
| 4 | 1033752 |
| 5 | 3702824 |
| 6 | 14821424 |
| 7 | 66158736 |
| 8 | 264831016 |
| 9 | 948570032 |
| 10 | 3798139024 |
| 11 | 16949183552 |
| 12 | 67829237680 |
| 13 | 243080889928 |
| 14 | 972279514176 |
| 15 | 4341071097344 |
| 16 | 17360471721544 |
| 17 | 62225889019592 |
| 18 | 248568875068928 |
| 19 | 1111070190653712 |
| 20 | 4438793067349704 |
| 21 | 15908408008868528 |
| 22 | 63634253845942544 |
| 23 | 284082756299099488 |
| 24 | 1136310075423425200 |