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 | 4 |
| 2 | 12 |
| 3 | 66 |
| 4 | 920 |
| 5 | 26 |
| 6 | 132 |
| 7 | 79 |
| 8 | 17958 |
| 9 | 53 |
| 10 | 693 |
| 11 | 4181 |
| 12 | 122160 |
| 13 | 29791 |
| 14 | 32318 |
| 15 | 971 |