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 | 2 |
| 2 | 5 |
| 3 | 7 |
| 4 | 13 |
| 5 | 59 |
| 6 | 199 |
| 7 | 257 |
| 8 | 397 |
| 9 | 467 |
| 10 | 653 |
| 11 | 991 |
| 12 | 1597 |
| 13 | 16273 |
| 14 | 28163 |
| 15 | 30133 |
| 16 | 36451 |
| 17 | 64579 |
| 18 | 70489 |