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 | 23 |
| 2 | 37 |
| 3 | 53 |
| 4 | 73 |
| 5 | 113 |
| 6 | 131 |
| 7 | 137 |
| 8 | 173 |
| 9 | 179 |
| 10 | 197 |
| 11 | 311 |
| 12 | 317 |
| 13 | 431 |
| 14 | 617 |
| 15 | 719 |
| 16 | 1013 |
| 17 | 1031 |
| 18 | 1097 |
| 19 | 1499 |
| 20 | 1997 |
| 21 | 2239 |
| 22 | 2293 |
| 23 | 3137 |
| 24 | 4019 |
| 25 | 4919 |
| 26 | 6173 |
| 27 | 7019 |
| 28 | 7433 |
| 29 | 9677 |
| 30 | 10193 |
| 31 | 10613 |
| 32 | 11093 |
| 33 | 19973 |
| 34 | 23833 |
| 35 | 26833 |
| 36 | 30011 |
| 37 | 37019 |
| 38 | 40013 |
| 39 | 47933 |
| 40 | 73331 |
| 41 | 74177 |