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 | 56 |
| 2 | 3136 |
| 3 | 87878 |
| 4 | 1460836 |
| 5 | 16625026 |
| 6 | 143558572 |
| 7 | 1012166273 |
| 8 | 6125081331 |
| 9 | 32894121939 |
| 10 | 160366617391 |
| 11 | 721130521043 |
| 12 | 3026020511079 |
| 13 | 11954211905590 |
| 14 | 44767125938612 |
| 15 | 159803658410914 |
| 16 | 546205629183576 |
| 17 | 1794213349019225 |
| 18 | 5681633554205167 |
| 19 | 17388727776795588 |
| 20 | 51546300902092728 |