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) |
---|---|
7 | 1 |
8 | 3280 |
9 | 8069620 |
10 | 18326727760 |
11 | 40581331447162 |
12 | 89117945389585840 |
13 | 195168545232713290660 |
14 | 427028776969176679964080 |
15 | 934054234760012359481199283 |
16 | 2042880353039758115797506899680 |
17 | 4467854961017673003571751798888920 |