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) |
---|---|
0 | 1 |
1 | 1 |
2 | 44 |
3 | 4410 |
4 | 905840 |
5 | 318906400 |
6 | 172185088824 |
7 | 132357574570221 |
8 | 137406570363495360 |
9 | 185242628827767255255 |
10 | 314645673306845990409300 |
11 | 657405676947400829561901359 |
12 | 1656968286301847988118098735168 |
13 | 4957425610652588047512198547937050 |