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 | 0 |
2 | 1 |
3 | 0 |
4 | -4 |
5 | 8 |
6 | 0 |
7 | 9 |
8 | -90 |
9 | 108 |
10 | 0 |
11 | -16 |
12 | 576 |
13 | -2352 |
14 | 2048 |
15 | 0 |
16 | 25 |
17 | -2800 |
18 | 28800 |
19 | -72900 |
20 | 50000 |
21 | 0 |
22 | -36 |
23 | 11520 |
24 | -262440 |
25 | 1440000 |
26 | -2635380 |
27 | 1492992 |
28 | 0 |
29 | 49 |
30 | -42336 |
31 | 1984500 |
32 | -20870080 |
33 | 76204800 |
34 | -109160142 |
35 | 52706752 |
36 | 0 |
37 | -64 |
38 | 143360 |
39 | -13172544 |
40 | 247726080 |
41 | -1599416000 |
42 | 4337012736 |
43 | -5103000000 |
44 | 2147483648 |