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 | 1782 |
| 3 | 2178 |
| 4 | 16782 |
| 5 | 17604 |
| 6 | 17802 |
| 7 | 17820 |
| 8 | 17832 |
| 9 | 17982 |
| 10 | 18027 |
| 11 | 19728 |
| 12 | 19782 |
| 13 | 20178 |
| 14 | 21678 |
| 15 | 21780 |
| 16 | 21783 |
| 17 | 21798 |
| 18 | 21978 |
| 19 | 23958 |
| 20 | 102564 |
| 21 | 103845 |
| 22 | 104769 |
| 23 | 104895 |
| 24 | 105264 |
| 25 | 106254 |
| 26 | 114528 |
| 27 | 125406 |
| 28 | 125604 |
| 29 | 126054 |
| 30 | 128052 |
| 31 | 128205 |
| 32 | 140256 |
| 33 | 140526 |
| 34 | 142857 |