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 | -4 |
4 | 53 |
5 | -656 |
6 | 11917 |
7 | -244896 |
8 | 6080265 |
9 | -171274240 |
10 | 5480682041 |
11 | -195121452032 |
12 | 7672945614589 |
13 | -329902678161408 |
14 | 15405361461450885 |
15 | -776248476561903616 |
16 | 41985495698339969681 |
17 | -2426188309657908936704 |
18 | 149180887282915274036977 |
19 | -9725086440331395237937152 |