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 | 10 |
| 3 | 18 |
| 4 | 274 |
| 5 | 314 |
| 6 | 522 |
| 7 | 562 |
| 8 | 578 |
| 9 | 594 |
| 10 | 602 |
| 11 | 930 |
| 12 | 1074 |
| 13 | 23826 |
| 14 | 184554 |
| 15 | 1923378 |
| 16 | 2248914 |
| 17 | 2290722 |
| 18 | 3069362 |