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) |
|---|---|
| 4 | 28 |
| 5 | 3385 |
| 6 | 134353 |
| 7 | 1958674 |
| 8 | 19929645 |
| 9 | 138586349 |
| 10 | 753795278 |
| 11 | 3356614240 |
| 12 | 13108210508 |
| 13 | 44374441652 |
| 14 | 137349454120 |