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 | 11 |
| 4 | 19 |
| 5 | 23 |
| 6 | 31 |
| 7 | 43 |
| 8 | 79 |
| 9 | 127 |
| 10 | 167 |
| 11 | 191 |
| 12 | 199 |
| 13 | 347 |
| 14 | 3539 |
| 15 | 5807 |
| 16 | 10691 |
| 17 | 11279 |
| 18 | 12391 |
| 19 | 14479 |
| 20 | 83339 |
| 21 | 117239 |
| 22 | 127031 |
| 23 | 141079 |
| 24 | 269987 |
| 25 | 986191 |
| 26 | 4031399 |