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 | 199 |
| 2 | 439 |
| 3 | 1039 |
| 4 | 1231 |
| 5 | 1951 |
| 6 | 2239 |
| 7 | 2551 |
| 8 | 2791 |
| 9 | 3559 |
| 10 | 3631 |
| 11 | 4759 |
| 12 | 5431 |
| 13 | 6991 |
| 14 | 7159 |
| 15 | 7591 |
| 16 | 8839 |
| 17 | 9439 |
| 18 | 10111 |
| 19 | 11119 |
| 20 | 11311 |
| 21 | 11959 |
| 22 | 13159 |
| 23 | 13711 |
| 24 | 13831 |
| 25 | 14479 |
| 26 | 14551 |
| 27 | 15391 |
| 28 | 15679 |
| 29 | 15991 |
| 30 | 16519 |
| 31 | 16831 |
| 32 | 17239 |
| 33 | 17359 |
| 34 | 17839 |
| 35 | 17911 |
| 36 | 18199 |
| 37 | 18919 |