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 | 3 |
| 3 | 7 |
| 4 | 9 |
| 5 | 33 |
| 6 | 61 |
| 7 | 93 |
| 8 | 112 |
| 9 | 284 |
| 10 | 615 |
| 11 | 1293 |
| 12 | 2558 |
| 13 | 2925 |
| 14 | 5961 |
| 15 | 6454 |
| 16 | 7960 |
| 17 | 17521 |
| 18 | 40838 |