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 | 1 |
2 | 1 |
3 | -2 |
4 | 3 |
5 | -10 |
6 | 6 |
7 | -65 |
8 | 378 |
9 | -5525 |
10 | 16632 |
11 | -1278485 |
12 | 25147584 |
13 | -1012815817 |
14 | 8022079296 |
15 | -2114837334805 |
16 | 570081043090944 |
17 | -60533314393713485 |
18 | 1256458618972440576 |
19 | -4540728540084435567025 |
20 | 1677888660820605842036736 |
21 | -466914087740138106185288665 |