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) |
|---|---|
| 0 | 44 |
| 1 | 2 |
| 2 | 2 |
| 3 | 11 |
| 4 | 3 |
| 5 | 11 |
| 6 | 67 |
| 7 | 3 |
| 8 | 3 |
| 9 | 3463 |
| 10 | 13 |
| 11 | 113 |
| 12 | 227 |
| 13 | 173 |
| 14 | 229 |
| 15 | 331 |
| 16 | 11 |
| 17 | 15748121 |
| 18 | 541 |
| 19 | 2062381 |
| 20 | 11 |
| 21 | 607 |
| 22 | 810553 |
| 23 | 2281 |
| 24 | 5088913 |
| 25 | 22815088913 |