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 | -1 |
4 | 0 |
5 | 1 |
6 | -2 |
7 | 3 |
8 | -2 |
9 | 0 |
10 | 1 |
11 | -12 |
12 | 72 |
13 | -256 |
14 | 579 |
15 | -812 |
16 | 644 |
17 | -216 |
18 | 0 |
19 | 1 |
20 | -32 |
21 | 496 |
22 | -4936 |
23 | 35276 |
24 | -191840 |
25 | 820328 |
26 | -2808636 |
27 | 7759343 |
28 | -17276144 |
29 | 30675244 |
30 | -42494732 |
31 | 44214736 |
32 | -32375904 |
33 | 14772272 |
34 | -3125472 |
35 | 0 |
36 | 1 |
37 | -80 |
38 | 3160 |
39 | -82080 |
40 | 1575420 |
41 | -23805776 |
42 | 294640000 |