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 | 11 |
| 3 | 31 |
| 4 | 59 |
| 5 | 83 |
| 6 | 211 |
| 7 | 331 |
| 8 | 773 |
| 9 | 1297 |
| 10 | 1433 |
| 11 | 1471 |
| 12 | 1621 |
| 13 | 2027 |
| 14 | 2477 |
| 15 | 3637 |
| 16 | 4153 |
| 17 | 4787 |
| 18 | 4877 |
| 19 | 5623 |
| 20 | 7699 |
| 21 | 9103 |
| 22 | 9619 |
| 23 | 11743 |
| 24 | 12097 |
| 25 | 12959 |
| 26 | 13037 |
| 27 | 13591 |
| 28 | 13709 |
| 29 | 14177 |
| 30 | 14969 |
| 31 | 15299 |
| 32 | 16411 |
| 33 | 16703 |
| 34 | 16921 |
| 35 | 19463 |
| 36 | 19577 |
| 37 | 21379 |
| 38 | 22093 |
| 39 | 22721 |
| 40 | 24107 |
| 41 | 24151 |
| 42 | 24419 |
| 43 | 24509 |
| 44 | 24671 |
| 45 | 28657 |