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 | 23 |
| 3 | 322 |
| 4 | 1573 |
| 5 | 495 |
| 6 | 3407 |
| 7 | 10498 |
| 8 | 85067 |
| 9 | 8113 |
| 10 | 112912 |
| 11 | 166302 |
| 12 | 28893 |
| 13 | 189052 |
| 14 | 510548 |
| 15 | 598532 |
| 16 | 812752 |
| 17 | 139708 |
| 18 | 716182 |
| 19 | 2582073 |
| 20 | 4576458 |
| 21 | 2497092 |
| 22 | 5130198 |
| 23 | 5761777 |
| 24 | 25381573 |
| 25 | 7315173 |
| 26 | 20200532 |
| 27 | 40629683 |
| 28 | 33185292 |
| 29 | 69948743 |
| 30 | 38771927 |
| 31 | 13194622 |