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) |
---|---|
1 | 2 |
2 | 6 |
3 | -60 |
4 | 126 |
5 | -32760 |
6 | -262140 |
7 | -3145716 |
8 | 2147483646 |
9 | -4611686018427387900 |
10 | -2475880078570760549798248440 |
11 | -1622592768292133633915780102881260 |
12 | -340282366920938463463374607431768211452 |