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 | 8 |
| 3 | 28 |
| 4 | 52 |
| 5 | 286 |
| 6 | 364 |
| 7 | 532 |
| 8 | 616 |
| 9 | 946 |
| 10 | 1036 |
| 11 | 1288 |
| 12 | 2806 |
| 13 | 2926 |
| 14 | 3052 |
| 15 | 4376 |
| 16 | 4636 |
| 17 | 5356 |
| 18 | 6364 |
| 19 | 8744 |
| 20 | 8866 |
| 21 | 11476 |
| 22 | 12124 |
| 23 | 15964 |
| 24 | 17446 |
| 25 | 19096 |
| 26 | 19684 |
| 27 | 21196 |
| 28 | 21736 |
| 29 | 24046 |
| 30 | 24388 |
| 31 | 26596 |
| 32 | 31876 |