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 | 6 |
4 | -4 |
5 | 0 |
6 | 120 |
7 | -192 |
8 | 72 |
9 | 0 |
10 | 5040 |
11 | -15840 |
12 | 13920 |
13 | -3456 |
14 | 0 |
15 | 362880 |
16 | -2096640 |
17 | 3306240 |
18 | -1918080 |
19 | 345600 |
20 | 0 |
21 | 39916800 |
22 | -413683200 |
23 | 1053803520 |
24 | -1064448000 |
25 | 448519680 |
26 | -62208000 |
27 | 0 |
28 | 6227020800 |
29 | -114960384000 |
30 | 447866496000 |
31 | -699342336000 |
32 | 506348236800 |
33 | -164428185600 |
34 | 18289152000 |
35 | 0 |