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 | 1 |
| 2 | 3 |
| 3 | 7 |
| 4 | 13 |
| 5 | 31 |
| 6 | 39 |
| 7 | 91 |
| 8 | 93 |
| 9 | 127 |
| 10 | 217 |
| 11 | 307 |
| 12 | 381 |
| 13 | 403 |
| 14 | 921 |
| 15 | 961 |
| 16 | 1093 |
| 17 | 1209 |
| 18 | 1651 |
| 19 | 1723 |
| 20 | 2149 |
| 21 | 2801 |
| 22 | 2821 |
| 23 | 3279 |
| 24 | 3541 |
| 25 | 3937 |
| 26 | 3991 |
| 27 | 4953 |
| 28 | 5113 |
| 29 | 5169 |
| 30 | 7651 |
| 31 | 8011 |
| 32 | 8191 |
| 33 | 8403 |
| 34 | 9517 |
| 35 | 10303 |
| 36 | 10623 |
| 37 | 11811 |
| 38 | 11973 |
| 39 | 12061 |
| 40 | 12493 |
| 41 | 15339 |
| 42 | 17293 |
| 43 | 19531 |
| 44 | 19607 |
| 45 | 22399 |