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 | 14 |
| 2 | 196 |
| 3 | 1414 |
| 4 | 10201 |
| 5 | 86355 |
| 6 | 731025 |
| 7 | 5959350 |
| 8 | 48580900 |
| 9 | 400851670 |
| 10 | 3307515121 |
| 11 | 27172739769 |
| 12 | 223236405441 |
| 13 | 1837212857466 |
| 14 | 15120074510116 |
| 15 | 124343788256622 |
| 16 | 1022572849602249 |
| 17 | 8412135030604107 |
| 18 | 69201930992634801 |
| 19 | 569203250129458902 |