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 | 6 |
| 6 | 27 |
| 7 | 29 |
| 8 | 354 |
| 9 | 729 |
| 10 | 2027 |
| 11 | 6859 |
| 12 | 7778 |
| 13 | 19846 |
| 14 | 20577 |
| 15 | 23277 |
| 16 | 35937 |
| 17 | 58754 |
| 18 | 130979 |
| 19 | 132651 |
| 20 | 232282 |
| 21 | 265602 |
| 22 | 332750 |
| 23 | 389017 |
| 24 | 499853 |
| 25 | 885602 |
| 26 | 970299 |
| 27 | 1492779 |
| 28 | 2146689 |
| 29 | 2413154 |
| 30 | 3764477 |
| 31 | 4330747 |
| 32 | 5694978 |
| 33 | 5929741 |
| 34 | 8120601 |
| 35 | 8388227 |
| 36 | 12068354 |
| 37 | 14348907 |
| 38 | 17005629 |
| 39 | 23522402 |
| 40 | 24137569 |
| 41 | 31999403 |
| 42 | 34328125 |