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 | 2351 |
| 2 | 2531 |
| 3 | 3251 |
| 4 | 3257 |
| 5 | 3457 |
| 6 | 3547 |
| 7 | 3581 |
| 8 | 3659 |
| 9 | 5231 |
| 10 | 5237 |
| 11 | 5347 |
| 12 | 5381 |
| 13 | 5437 |
| 14 | 5639 |
| 15 | 13151 |
| 16 | 13159 |
| 17 | 13577 |
| 18 | 13591 |
| 19 | 13751 |
| 20 | 13757 |
| 21 | 13759 |
| 22 | 15131 |
| 23 | 15139 |
| 24 | 15377 |
| 25 | 15391 |
| 26 | 15731 |
| 27 | 15737 |
| 28 | 15739 |
| 29 | 17359 |
| 30 | 17539 |
| 31 | 23057 |
| 32 | 23357 |
| 33 | 23459 |
| 34 | 23509 |
| 35 | 23537 |
| 36 | 23549 |
| 37 | 23567 |
| 38 | 25037 |
| 39 | 25309 |