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 | 13 |
2 | 500 |
3 | 40426 |
4 | 5709600 |
5 | 1256804900 |
6 | 399383584000 |
7 | 173474742285000 |
8 | 98872482630272000 |
9 | 71645799536067250000 |
10 | 64368175738481971200000 |
11 | 70249051303937073666500000 |
12 | 91567621291850074309120000000 |