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 | 117 |
| 3 | 135 |
| 4 | 775 |
| 5 | 819 |
| 6 | 891 |
| 7 | 1521 |
| 8 | 1701 |
| 9 | 2325 |
| 10 | 3159 |
| 11 | 3375 |
| 12 | 4455 |
| 13 | 5733 |
| 14 | 6875 |
| 15 | 6975 |
| 16 | 10935 |
| 17 | 11907 |
| 18 | 19773 |
| 19 | 20625 |
| 20 | 20925 |
| 21 | 22113 |
| 22 | 22275 |
| 23 | 24025 |
| 24 | 40131 |
| 25 | 41067 |
| 26 | 43875 |
| 27 | 44375 |
| 28 | 49005 |
| 29 | 61875 |
| 30 | 62775 |
| 31 | 68607 |
| 32 | 72075 |
| 33 | 75625 |
| 34 | 83349 |
| 35 | 84375 |
| 36 | 85293 |