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 | 3 |
2 | 15 |
3 | 87 |
4 | 414 |
5 | -333 |
6 | -36207 |
7 | -125415 |
8 | 9692208 |
9 | 65346480 |
10 | -6686193834 |
11 | -28979410023 |
12 | 9399236141664 |
13 | -74034590428035 |
14 | -21601690453093869 |
15 | 753341807730002715 |
16 | 64208547156310265880 |
17 | -6137571162315494165580 |
18 | -131200755856066508312736 |