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 | 5 |
| 2 | 11 |
| 3 | 17 |
| 4 | 23 |
| 5 | 101 |
| 6 | 167 |
| 7 | 191 |
| 8 | 347 |
| 9 | 701 |
| 10 | 1709 |
| 11 | 3539 |
| 12 | 5807 |
| 13 | 10691 |
| 14 | 11279 |
| 15 | 42737 |
| 16 | 83339 |
| 17 | 95369 |
| 18 | 117239 |
| 19 | 127031 |
| 20 | 267017 |
| 21 | 269987 |
| 22 | 374321 |
| 23 | 4031399 |