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 | 341 |
| 2 | 1105 |
| 3 | 1729 |
| 4 | 29341 |
| 5 | 162401 |
| 6 | 252601 |
| 7 | 1152271 |
| 8 | 2508013 |
| 9 | 3828001 |
| 10 | 6733693 |
| 11 | 17098369 |
| 12 | 17236801 |
| 13 | 29111881 |
| 14 | 82929001 |
| 15 | 172947529 |
| 16 | 216821881 |
| 17 | 228842209 |
| 18 | 366652201 |
| 19 | 413138881 |
| 20 | 2301745249 |
| 21 | 2438403661 |
| 22 | 5255104513 |
| 23 | 5781222721 |
| 24 | 8251854001 |
| 25 | 12173703001 |
| 26 | 13946829751 |
| 27 | 15906120889 |
| 28 | 23224518901 |