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 | 14027 |
| 8 | 14028 |
| 9 | 14103 |
| 10 | 14112 |
| 11 | 14867 |
| 12 | 14876 |
| 13 | 14951 |
| 14 | 14952 |
| 15 | 10099698 |
| 16 | 10099846 |
| 17 | 20210795 |
| 18 | 30310661 |
| 19 | 30311795 |
| 20 | 50522741 |
| 21 | 723825175 |
| 22 | 142569349356 |
| 23 | 482364801576 |
| 24 | 486288289536 |
| 25 | 972577541899 |
| 26 | 1945641402768 |
| 27 | 2474129673299 |