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 | 2 |
| 3 | 4 |
| 4 | 6 |
| 5 | 16 |
| 6 | 180 |
| 7 | 210 |
| 8 | 430 |
| 9 | 466 |
| 10 | 556 |
| 11 | 690 |
| 12 | 760 |
| 13 | 936 |
| 14 | 966 |
| 15 | 1150 |
| 16 | 1870 |
| 17 | 2266 |
| 18 | 2646 |
| 19 | 2676 |
| 20 | 3390 |
| 21 | 3516 |
| 22 | 3910 |
| 23 | 4006 |
| 24 | 4566 |
| 25 | 4590 |
| 26 | 4936 |
| 27 | 5086 |
| 28 | 6576 |
| 29 | 6970 |
| 30 | 8626 |
| 31 | 9276 |
| 32 | 9336 |
| 33 | 10006 |
| 34 | 13686 |
| 35 | 15510 |
| 36 | 17320 |
| 37 | 17550 |
| 38 | 17850 |
| 39 | 18040 |
| 40 | 18060 |
| 41 | 18586 |
| 42 | 18700 |
| 43 | 19380 |