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 | 71 |
| 4 | 97 |
| 5 | 107 |
| 6 | 277 |
| 7 | 307 |
| 8 | 641 |
| 9 | 907 |
| 10 | 967 |
| 11 | 1009 |
| 12 | 1447 |
| 13 | 3463 |
| 14 | 3527 |
| 15 | 7757 |
| 16 | 8167 |
| 17 | 250867 |
| 18 | 279047 |
| 19 | 1107791 |
| 20 | 1176671 |
| 21 | 1538399 |
| 22 | 1594909 |
| 23 | 2450017 |