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 | 31 |
| 2 | 79 |
| 3 | 151 |
| 4 | 211 |
| 5 | 271 |
| 6 | 311 |
| 7 | 331 |
| 8 | 547 |
| 9 | 571 |
| 10 | 613 |
| 11 | 631 |
| 12 | 691 |
| 13 | 751 |
| 14 | 811 |
| 15 | 859 |
| 16 | 991 |
| 17 | 1021 |
| 18 | 1051 |
| 19 | 1171 |