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 | 1 |
| 2 | 6 |
| 3 | 66 |
| 4 | 91 |
| 5 | 121 |
| 6 | 286 |
| 7 | 561 |
| 8 | 671 |
| 9 | 703 |
| 10 | 726 |
| 11 | 949 |
| 12 | 1105 |
| 13 | 1541 |
| 14 | 1729 |
| 15 | 1891 |
| 16 | 2465 |
| 17 | 2665 |
| 18 | 2701 |
| 19 | 2821 |
| 20 | 3281 |
| 21 | 3367 |
| 22 | 3751 |
| 23 | 4961 |
| 24 | 5551 |
| 25 | 6601 |
| 26 | 7107 |
| 27 | 7381 |
| 28 | 8205 |
| 29 | 8401 |
| 30 | 8646 |
| 31 | 8911 |
| 32 | 10585 |
| 33 | 11011 |
| 34 | 12403 |
| 35 | 14383 |
| 36 | 15203 |
| 37 | 15457 |
| 38 | 15841 |
| 39 | 16471 |
| 40 | 16531 |
| 41 | 18721 |
| 42 | 19345 |