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 | 1 |
3 | 0 |
4 | -11 |
5 | -88 |
6 | -459 |
7 | -560 |
8 | 27945 |
9 | 502336 |
10 | 5223945 |
11 | 18968576 |
12 | -671465123 |
13 | -20909349888 |
14 | -345616002627 |
15 | -2437013715968 |
16 | 65881260463697 |
17 | 3252353828442112 |
18 | 76987773739473809 |
19 | 873339053357432832 |
20 | -17521718791602049595 |
21 | -1354633521318944473088 |