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 | 0 |
4 | -3 |
5 | 4 |
6 | 69 |
7 | 136 |
8 | -1159 |
9 | 1744 |
10 | 115081 |
11 | 652864 |
12 | -3250827 |
13 | 16365504 |
14 | 1156388557 |
15 | 12624963456 |
16 | -12628752143 |
17 | 910310355200 |
18 | 42394317198097 |
19 | 735663001262080 |
20 | 2830775181039853 |
21 | 125940707707991040 |