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 | 31 |
| 3 | 71 |
| 4 | 127 |
| 5 | 199 |
| 6 | 647 |
| 7 | 967 |
| 8 | 1151 |
| 9 | 1567 |
| 10 | 2311 |
| 11 | 2591 |
| 12 | 2887 |
| 13 | 3527 |
| 14 | 4231 |
| 15 | 4999 |
| 16 | 5407 |
| 17 | 6271 |
| 18 | 7687 |
| 19 | 8191 |
| 20 | 11551 |
| 21 | 12799 |
| 22 | 16927 |
| 23 | 19207 |
| 24 | 20807 |
| 25 | 23327 |
| 26 | 25087 |
| 27 | 27847 |
| 28 | 31751 |
| 29 | 34847 |
| 30 | 35911 |
| 31 | 39199 |
| 32 | 47431 |
| 33 | 49927 |
| 34 | 51199 |
| 35 | 53791 |
| 36 | 59167 |
| 37 | 63367 |
| 38 | 69191 |
| 39 | 70687 |