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) |
---|---|
3 | 1 |
4 | 126 |
5 | 22535 |
6 | 6139575 |
7 | 2487385684 |
8 | 1446119232796 |
9 | 1166500896454844 |
10 | 1267622549125064100 |
11 | 1809397702962603426816 |
12 | 3319681647209765132077992 |
13 | 7683477487469739839805775776 |
14 | 22073571178683618465281583731376 |