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 | 0 |
| 2 | 1 |
| 3 | 2 |
| 4 | 3 |
| 5 | 4 |
| 6 | 5 |
| 7 | 7 |
| 8 | 14 |
| 9 | 80 |
| 10 | 160 |
| 11 | 301 |
| 12 | 602 |
| 13 | 693 |
| 14 | 994 |
| 15 | 1295 |
| 16 | 1627 |
| 17 | 1777 |
| 18 | 2365 |
| 19 | 2666 |
| 20 | 5296 |
| 21 | 5776 |
| 22 | 6256 |
| 23 | 17360 |
| 24 | 34720 |
| 25 | 51301 |
| 26 | 52201 |
| 27 | 105092 |
| 28 | 155493 |
| 29 | 209284 |
| 30 | 587846 |
| 31 | 735644 |
| 32 | 7904800 |
| 33 | 11495701 |
| 34 | 80005507 |
| 35 | 80469907 |
| 36 | 83165017 |
| 37 | 89731777 |
| 38 | 90196177 |