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 | 7 |
| 2 | 19 |
| 3 | 67 |
| 4 | 97 |
| 5 | 127 |
| 6 | 229 |
| 7 | 397 |
| 8 | 487 |
| 9 | 739 |
| 10 | 757 |
| 11 | 907 |
| 12 | 1009 |
| 13 | 1279 |
| 14 | 1447 |
| 15 | 1567 |
| 16 | 1597 |
| 17 | 1609 |
| 18 | 1867 |
| 19 | 1999 |
| 20 | 2239 |
| 21 | 2269 |
| 22 | 2377 |
| 23 | 2539 |
| 24 | 2659 |
| 25 | 2707 |
| 26 | 3037 |
| 27 | 3217 |
| 28 | 3319 |
| 29 | 3457 |
| 30 | 3529 |
| 31 | 3697 |
| 32 | 3877 |
| 33 | 3907 |
| 34 | 3919 |
| 35 | 4639 |
| 36 | 4789 |
| 37 | 4999 |
| 38 | 5167 |
| 39 | 5437 |
| 40 | 5569 |
| 41 | 5647 |
| 42 | 5689 |
| 43 | 5737 |