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 | 6 |
4 | -4 |
5 | 1 |
6 | 60 |
7 | -36 |
8 | 9 |
9 | -1 |
10 | 840 |
11 | -480 |
12 | 120 |
13 | -16 |
14 | 1 |
15 | 15120 |
16 | -8400 |
17 | 2100 |
18 | -300 |
19 | 25 |
20 | -1 |
21 | 332640 |
22 | -181440 |
23 | 45360 |
24 | -6720 |
25 | 630 |
26 | -36 |
27 | 1 |
28 | 8648640 |
29 | -4656960 |
30 | 1164240 |
31 | -176400 |
32 | 17640 |
33 | -1176 |
34 | 49 |
35 | -1 |
36 | 259459200 |
37 | -138378240 |
38 | 34594560 |
39 | -5322240 |
40 | 554400 |
41 | -40320 |
42 | 2016 |
43 | -64 |
44 | 1 |