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 | 7 |
| 4 | 39 |
| 5 | 93 |
| 6 | 267 |
| 7 | 557 |
| 8 | 2389 |
| 9 | 2467 |
| 10 | 4059 |
| 11 | 4681 |
| 12 | 6213 |
| 13 | 70507 |
| 14 | 151013 |
| 15 | 282477 |
| 16 | 421135 |
| 17 | 1272901 |