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 | 4 |
4 | 5 |
5 | -32 |
6 | -55 |
7 | 390 |
8 | 961 |
9 | -6432 |
10 | -22463 |
11 | 134550 |
12 | 649761 |
13 | -3443208 |
14 | -22456551 |
15 | 105379838 |
16 | 911433121 |
17 | -3787776224 |
18 | -42942180863 |
19 | 157078439014 |
20 | 2324211078513 |
21 | -7384507525560 |
22 | -143088139308519 |