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 | 7 |
| 2 | 47 |
| 3 | 61 |
| 4 | 103 |
| 5 | 113 |
| 6 | 211 |
| 7 | 223 |
| 8 | 229 |
| 9 | 311 |
| 10 | 337 |
| 11 | 401 |
| 12 | 419 |
| 13 | 491 |
| 14 | 787 |
| 15 | 1021 |
| 16 | 1453 |
| 17 | 1489 |
| 18 | 1697 |
| 19 | 2039 |
| 20 | 3659 |
| 21 | 4703 |
| 22 | 5279 |