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 | 2 |
| 2 | 7 |
| 3 | 19 |
| 4 | 37 |
| 5 | 61 |
| 6 | 127 |
| 7 | 271 |
| 8 | 331 |
| 9 | 397 |
| 10 | 547 |
| 11 | 631 |
| 12 | 919 |
| 13 | 1657 |
| 14 | 1801 |
| 15 | 1951 |
| 16 | 2269 |
| 17 | 2437 |
| 18 | 2791 |
| 19 | 3169 |
| 20 | 3571 |
| 21 | 4219 |
| 22 | 4447 |
| 23 | 5167 |
| 24 | 5419 |
| 25 | 6211 |
| 26 | 7057 |
| 27 | 7351 |
| 28 | 8269 |
| 29 | 9241 |
| 30 | 10267 |
| 31 | 11719 |
| 32 | 12097 |
| 33 | 13267 |
| 34 | 13669 |
| 35 | 16651 |
| 36 | 19441 |
| 37 | 19927 |
| 38 | 22447 |
| 39 | 23497 |
| 40 | 24571 |
| 41 | 25117 |
| 42 | 26227 |