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 | 5 |
| 2 | 5 |
| 3 | 5 |
| 4 | 10 |
| 5 | 25 |
| 6 | 31 |
| 7 | 104 |
| 8 | 159 |
| 9 | 190 |
| 10 | 219 |
| 11 | 1186 |
| 12 | 1832 |
| 13 | 2227 |
| 14 | 3388 |
| 15 | 14358 |
| 16 | 30804 |
| 17 | 31547 |
| 18 | 40935 |
| 19 | 103522 |
| 20 | 104072 |
| 21 | 149690 |
| 22 | 325853 |
| 23 | 1094426 |
| 24 | 1319950 |
| 25 | 2850175 |
| 26 | 6957880 |
| 27 | 10539433 |
| 28 | 10655464 |