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 | -2 |
2 | 296 |
3 | -327984 |
4 | 1363872384 |
5 | -15198541159680 |
6 | 372495898187043840 |
7 | -17616182020373076940800 |
8 | 1464370216956293433318604800 |
9 | -199499758936277018742988067635200 |
10 | 42181903584776412718275835664105472000 |
11 | -13251216132203374725100642797337549799424000 |