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 | 1 |
3 | -1 |
4 | -6 |
5 | 39 |
6 | 97 |
7 | -4481 |
8 | 33912 |
9 | 676236 |
10 | -26413226 |
11 | 238849819 |
12 | 14313503696 |
13 | -755420105545 |
14 | 10108190752293 |
15 | 933595772081187 |
16 | -74703766573019512 |
17 | 1828010869875477868 |
18 | 148132864489851652128 |
19 | -19789393233722946227592 |
20 | 910780967051245532791008 |