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) |
---|---|
6 | 1 |
7 | 63 |
8 | 2730 |
9 | 103950 |
10 | 3786615 |
11 | 137162025 |
12 | 5039703900 |
13 | 189883593900 |
14 | 7381251402525 |
15 | 297032627967075 |
16 | 12395985005353950 |
17 | 536910000482705850 |
18 | 24139951470365605875 |
19 | 1126381171697414758125 |
20 | 54517938404202375102000 |