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 | 11 |
| 2 | 13 |
| 3 | 157 |
| 4 | 29 |
| 5 | 22621 |
| 6 | 157 |
| 7 | 4943 |
| 8 | 233 |
| 9 | 80749 |
| 10 | 22621 |
| 11 | 266981089 |
| 12 | 20593 |
| 13 | 20369233 |
| 14 | 13063 |
| 15 | 22621 |
| 16 | 260753 |
| 17 | 74876782031 |
| 18 | 80749 |
| 19 | 29043636306420266077 |
| 20 | 85403261 |
| 21 | 8177824843189 |
| 22 | 57154490053 |
| 23 | 321218438243 |
| 24 | 2227777 |
| 25 | 12629757106815551 |
| 26 | 20369233 |
| 27 | 86769286104133 |