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 | 3 |
| 2 | 5 |
| 3 | 43 |
| 4 | 43 |
| 5 | 67 |
| 6 | 67 |
| 7 | 163 |
| 8 | 163 |
| 9 | 163 |
| 10 | 163 |
| 11 | 163 |
| 12 | 163 |
| 13 | 74093 |
| 14 | 77683 |
| 15 | 214037 |
| 16 | 214037 |
| 17 | 214037 |
| 18 | 2004917 |
| 19 | 36254563 |
| 20 | 51599563 |
| 21 | 96295483 |
| 22 | 96295483 |
| 23 | 114148483 |
| 24 | 163520117 |
| 25 | 163520117 |
| 26 | 261153653 |
| 27 | 261153653 |
| 28 | 585811843 |