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 | 341 |
| 2 | 1387 |
| 3 | 2047 |
| 4 | 8321 |
| 5 | 13747 |
| 6 | 18721 |
| 7 | 19951 |
| 8 | 31621 |
| 9 | 60701 |
| 10 | 83333 |
| 11 | 88357 |
| 12 | 219781 |
| 13 | 275887 |
| 14 | 422659 |
| 15 | 435671 |
| 16 | 513629 |
| 17 | 514447 |
| 18 | 587861 |
| 19 | 604117 |
| 20 | 653333 |
| 21 | 680627 |
| 22 | 710533 |
| 23 | 722261 |
| 24 | 741751 |
| 25 | 769757 |
| 26 | 916327 |
| 27 | 1194649 |
| 28 | 1252697 |
| 29 | 1293337 |
| 30 | 1433407 |
| 31 | 1441091 |