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 | 1 |
| 3 | 3 |
| 4 | 10 |
| 5 | 3 |
| 6 | 43 |
| 7 | 28 |
| 8 | 223 |
| 9 | 236 |
| 10 | 2 |
| 11 | 1364 |
| 12 | 1842 |
| 13 | 62 |
| 14 | 9643 |
| 15 | 18433 |
| 16 | 1015 |
| 17 | 2 |
| 18 | 77545 |
| 19 | 181568 |
| 20 | 14146 |
| 21 | 84 |
| 22 | 699954 |
| 23 | 1938199 |
| 24 | 189077 |
| 25 | 2093 |
| 26 | 2 |