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 | 1 |
| 2 | 2 |
| 3 | 4 |
| 4 | 5 |
| 5 | 8 |
| 6 | 11 |
| 7 | 16 |
| 8 | 19 |
| 9 | 44 |
| 10 | 88 |
| 11 | 224 |
| 12 | 349 |
| 13 | 520 |
| 14 | 1187 |
| 15 | 2044 |
| 16 | 2636 |
| 17 | 2645 |
| 18 | 3994 |
| 19 | 6851 |
| 20 | 12016 |
| 21 | 16304 |
| 22 | 31388 |
| 23 | 54296 |
| 24 | 56608 |
| 25 | 100700 |
| 26 | 134387 |