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 | 31 |
| 3 | 37 |
| 4 | 41 |
| 5 | 107 |
| 6 | 421 |
| 7 | 773 |
| 8 | 967 |
| 9 | 1451 |
| 10 | 1567 |
| 11 | 1571 |
| 12 | 1637 |
| 13 | 1973 |
| 14 | 3011 |
| 15 | 3793 |
| 16 | 4111 |
| 17 | 4217 |
| 18 | 4703 |
| 19 | 5783 |
| 20 | 6961 |
| 21 | 7331 |
| 22 | 8443 |
| 23 | 8627 |
| 24 | 9323 |
| 25 | 10733 |
| 26 | 12071 |
| 27 | 12413 |
| 28 | 12721 |
| 29 | 12967 |
| 30 | 13523 |
| 31 | 14107 |
| 32 | 14503 |
| 33 | 14737 |
| 34 | 15647 |
| 35 | 17851 |
| 36 | 17881 |
| 37 | 19853 |
| 38 | 19991 |
| 39 | 20051 |
| 40 | 20233 |
| 41 | 22157 |
| 42 | 23291 |