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 | 2 |
| 2 | 11 |
| 3 | 101 |
| 4 | 191 |
| 5 | 353 |
| 6 | 929 |
| 7 | 13331 |
| 8 | 16661 |
| 9 | 17471 |
| 10 | 19991 |
| 11 | 36263 |
| 12 | 38783 |
| 13 | 70607 |
| 14 | 72227 |
| 15 | 73037 |
| 16 | 74747 |
| 17 | 75557 |
| 18 | 76367 |
| 19 | 78887 |
| 20 | 79697 |
| 21 | 91019 |
| 22 | 94349 |
| 23 | 1074701 |
| 24 | 1082801 |
| 25 | 1123211 |
| 26 | 1180811 |
| 27 | 1221221 |
| 28 | 1262621 |
| 29 | 1287821 |
| 30 | 1303031 |
| 31 | 1311131 |
| 32 | 1328231 |
| 33 | 1360631 |
| 34 | 1508051 |
| 35 | 1532351 |