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 | -72 |
2 | 48384 |
3 | -134120448 |
4 | 1055796166656 |
5 | -18987644270149632 |
6 | 676784742282773397504 |
7 | -43249455805185586718834688 |
8 | 4599203617006025540525554139136 |
9 | -768291761151281123722697889747566592 |
10 | 192565676807771292904270021964021234663424 |