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 | 3 |
| 2 | 7 |
| 3 | 71 |
| 4 | 103 |
| 5 | 311 |
| 6 | 349 |
| 7 | 757 |
| 8 | 1297 |
| 9 | 1327 |
| 10 | 1811 |
| 11 | 1993 |
| 12 | 1999 |
| 13 | 3119 |
| 14 | 3709 |
| 15 | 7027 |
| 16 | 7297 |
| 17 | 7573 |
| 18 | 7603 |
| 19 | 7639 |
| 20 | 7873 |
| 21 | 7883 |
| 22 | 7963 |
| 23 | 9001 |
| 24 | 9043 |
| 25 | 9311 |
| 26 | 9613 |
| 27 | 9677 |
| 28 | 10739 |
| 29 | 11159 |
| 30 | 11177 |
| 31 | 13121 |
| 32 | 13553 |
| 33 | 13721 |
| 34 | 13751 |
| 35 | 14369 |
| 36 | 14831 |
| 37 | 14897 |
| 38 | 14939 |
| 39 | 14951 |
| 40 | 15329 |