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 | 0 |
3 | 2 |
4 | -1 |
5 | 0 |
6 | 6 |
7 | -8 |
8 | 2 |
9 | 0 |
10 | 24 |
11 | -66 |
12 | 44 |
13 | -6 |
14 | 0 |
15 | 120 |
16 | -624 |
17 | 792 |
18 | -312 |
19 | 24 |
20 | 0 |
21 | 720 |
22 | -6840 |
23 | 14496 |
24 | -10872 |
25 | 2736 |
26 | -120 |
27 | 0 |
28 | 5040 |
29 | -86400 |
30 | 285840 |
31 | -347904 |
32 | 171504 |
33 | -28800 |
34 | 720 |
35 | 0 |
36 | 40320 |
37 | -1244880 |
38 | 6181920 |
39 | -11245680 |
40 | 8996544 |
41 | -3090960 |
42 | 355680 |
43 | -5040 |
44 | 0 |