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 | 5 |
| 3 | 11 |
| 4 | 41 |
| 5 | 107 |
| 6 | 311 |
| 7 | 461 |
| 8 | 599 |
| 9 | 641 |
| 10 | 1277 |
| 11 | 1619 |
| 12 | 1997 |
| 13 | 2309 |
| 14 | 2381 |
| 15 | 2789 |
| 16 | 3671 |
| 17 | 4787 |
| 18 | 5099 |
| 19 | 6659 |
| 20 | 6701 |
| 21 | 6827 |
| 22 | 7457 |
| 23 | 7487 |
| 24 | 8219 |
| 25 | 8537 |
| 26 | 8597 |
| 27 | 9929 |
| 28 | 10709 |
| 29 | 11117 |
| 30 | 12071 |
| 31 | 12107 |
| 32 | 12251 |
| 33 | 13709 |
| 34 | 17747 |
| 35 | 18047 |
| 36 | 18251 |
| 37 | 18521 |
| 38 | 22091 |
| 39 | 22637 |
| 40 | 23027 |