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 | 618 |
| 4 | 2135 |
| 5 | 9568 |
| 6 | 32823 |
| 7 | 106833 |
| 8 | 378104 |
| 9 | 1270366 |
| 10 | 4115246 |
| 11 | 13610961 |
| 12 | 44612720 |
| 13 | 143811649 |
| 14 | 464834887 |
| 15 | 1499835880 |
| 16 | 4806097790 |
| 17 | 15381806724 |
| 18 | 49183889079 |
| 19 | 156799893608 |
| 20 | 499134276207 |
| 21 | 1587530091239 |
| 22 | 5041841569010 |