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 | 2 |
2 | 8 |
3 | 36 |
4 | 176 |
5 | 840 |
6 | 3312 |
7 | 4592 |
8 | -85888 |
9 | -893664 |
10 | 1375040 |
11 | 165097152 |
12 | 2297399040 |
13 | -437916544 |
14 | -676590342400 |
15 | -13778476089600 |
16 | -35262701498368 |
17 | 5528190100333056 |
18 | 159800245551129600 |
19 | 1036568296401259520 |
20 | -77532370748157030400 |
21 | -3135837171024874272768 |