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 | 4 |
| 2 | 36 |
| 3 | 204 |
| 4 | 786 |
| 5 | 842 |
| 6 | 1682 |
| 7 | 2114 |
| 8 | 3795 |
| 9 | 3859 |
| 10 | 3863 |
| 11 | 4429 |
| 12 | 4459 |
| 13 | 4559 |
| 14 | 4635 |
| 15 | 7644 |
| 16 | 7913 |
| 17 | 7914 |
| 18 | 8183 |
| 19 | 8286 |
| 20 | 8372 |
| 21 | 8744 |
| 22 | 8864 |
| 23 | 9144 |
| 24 | 9263 |
| 25 | 9599 |
| 26 | 16592 |
| 27 | 17094 |
| 28 | 17863 |
| 29 | 18923 |
| 30 | 19035 |
| 31 | 19563 |
| 32 | 19829 |
| 33 | 20364 |
| 34 | 20635 |
| 35 | 20776 |
| 36 | 36264 |
| 37 | 38183 |
| 38 | 38389 |
| 39 | 38432 |
| 40 | 40186 |
| 41 | 44216 |