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 | 27 |
| 3 | 2197 |
| 4 | 35937 |
| 5 | 59319 |
| 6 | 1092727 |
| 7 | 1295029 |
| 8 | 1860867 |
| 9 | 2685619 |
| 10 | 4330747 |
| 11 | 4826809 |
| 12 | 5000211 |
| 13 | 5929741 |
| 14 | 6128487 |
| 15 | 8869743 |
| 16 | 9393931 |
| 17 | 24137569 |
| 18 | 26198073 |
| 19 | 27818127 |
| 20 | 29503629 |
| 21 | 38958219 |
| 22 | 50243409 |
| 23 | 54439939 |
| 24 | 60698457 |
| 25 | 75686967 |
| 26 | 91733851 |
| 27 | 95443993 |
| 28 | 99252847 |