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 | 53 |
| 2 | 67 |
| 3 | 131 |
| 4 | 139 |
| 5 | 227 |
| 6 | 277 |
| 7 | 283 |
| 8 | 347 |
| 9 | 383 |
| 10 | 641 |
| 11 | 653 |
| 12 | 661 |
| 13 | 821 |
| 14 | 877 |
| 15 | 997 |
| 16 | 1069 |
| 17 | 1181 |
| 18 | 1213 |
| 19 | 1811 |
| 20 | 2083 |
| 21 | 2389 |
| 22 | 2459 |
| 23 | 2819 |
| 24 | 3803 |
| 25 | 4021 |
| 26 | 4253 |
| 27 | 4723 |
| 28 | 6619 |
| 29 | 6829 |
| 30 | 7213 |
| 31 | 7933 |
| 32 | 8069 |
| 33 | 9013 |
| 34 | 9187 |
| 35 | 10589 |
| 36 | 11261 |
| 37 | 16139 |
| 38 | 17827 |
| 39 | 18133 |
| 40 | 18587 |
| 41 | 19309 |
| 42 | 19541 |
| 43 | 20477 |
| 44 | 20947 |