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 | 17 |
| 3 | 25 |
| 4 | 31 |
| 5 | 1495 |
| 6 | 5555 |
| 7 | 8185 |
| 8 | 8647 |
| 9 | 106841 |
| 10 | 187329 |
| 11 | 345377 |
| 12 | 1811351 |
| 13 | 2179119 |
| 14 | 2863775 |
| 15 | 6368703 |
| 16 | 10250821 |
| 17 | 59137893 |
| 18 | 337430815 |
| 19 | 11349203711 |
| 20 | 183233304195 |
| 21 | 12538656829431 |
| 22 | 40154010310477 |
| 23 | 1761333303516473 |