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 | 6 |
| 2 | 21 |
| 3 | 27 |
| 4 | 321 |
| 5 | 1266 |
| 6 | 1527 |
| 7 | 1821 |
| 8 | 2526 |
| 9 | 2576 |
| 10 | 2721 |
| 11 | 2950 |
| 12 | 3126 |
| 13 | 3246 |
| 14 | 3426 |
| 15 | 4206 |
| 16 | 4236 |
| 17 | 4821 |
| 18 | 4926 |
| 19 | 5286 |
| 20 | 5721 |
| 21 | 5946 |
| 22 | 5950 |
| 23 | 6100 |
| 24 | 6351 |
| 25 | 7018 |
| 26 | 7138 |
| 27 | 7172 |
| 28 | 7386 |
| 29 | 7806 |
| 30 | 7931 |
| 31 | 8037 |
| 32 | 8790 |
| 33 | 8796 |
| 34 | 8826 |
| 35 | 9021 |
| 36 | 9048 |
| 37 | 9426 |
| 38 | 9478 |
| 39 | 9726 |
| 40 | 9921 |
| 41 | 10221 |
| 42 | 10326 |