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) |
|---|---|
| 0 | 153 |
| 1 | 135 |
| 2 | 18 |
| 3 | 3 |
| 4 | 9 |
| 5 | 12 |
| 6 | 33 |
| 7 | 114 |
| 8 | 78 |
| 9 | 126 |
| 10 | 6 |
| 11 | 117 |
| 12 | 669 |
| 13 | 177 |
| 14 | 12558 |
| 15 | 44499999999999999999 |