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 | 13 |
| 2 | 61 |
| 3 | 109 |
| 4 | 277 |
| 5 | 349 |
| 6 | 373 |
| 7 | 541 |
| 8 | 613 |
| 9 | 733 |
| 10 | 853 |
| 11 | 877 |
| 12 | 997 |
| 13 | 1069 |
| 14 | 1117 |
| 15 | 1381 |
| 16 | 1429 |
| 17 | 1597 |
| 18 | 1669 |
| 19 | 1693 |
| 20 | 1789 |
| 21 | 1861 |
| 22 | 1933 |
| 23 | 2053 |
| 24 | 2221 |
| 25 | 2389 |
| 26 | 2437 |
| 27 | 2749 |
| 28 | 2917 |
| 29 | 3109 |
| 30 | 3181 |
| 31 | 3229 |
| 32 | 3253 |
| 33 | 3373 |
| 34 | 3517 |
| 35 | 3541 |
| 36 | 3637 |
| 37 | 3709 |
| 38 | 4021 |
| 39 | 4549 |
| 40 | 4597 |
| 41 | 4813 |
| 42 | 4861 |