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 | -2 |
3 | 2 |
4 | -8 |
5 | 7 |
6 | 6 |
7 | -36 |
8 | 63 |
9 | -34 |
10 | 24 |
11 | -192 |
12 | 504 |
13 | -544 |
14 | 209 |
15 | 120 |
16 | -1200 |
17 | 4200 |
18 | -6800 |
19 | 5225 |
20 | -1546 |
21 | 720 |
22 | -8640 |
23 | 37800 |
24 | -81600 |
25 | 94050 |
26 | -55656 |
27 | 13327 |
28 | 5040 |
29 | -70560 |
30 | 370440 |
31 | -999600 |
32 | 1536150 |
33 | -1363572 |
34 | 653023 |
35 | -130922 |
36 | 40320 |
37 | -645120 |
38 | 3951360 |
39 | -12794880 |