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 | 2047 |
| 2 | 682 |
| 3 | 272 |
| 4 | 155 |
| 5 | 83 |
| 6 | 65 |
| 7 | 46 |
| 8 | 40 |
| 9 | 32 |
| 10 | 25 |
| 11 | 22 |
| 12 | 18 |
| 13 | 13 |
| 14 | 11 |
| 15 | 9 |
| 16 | 6 |
| 17 | 3 |
| 18 | 2 |