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 | 1 |
2 | -2 |
3 | 20 |
4 | -496 |
5 | 23120 |
6 | -1747360 |
7 | 195269568 |
8 | -30288321792 |
9 | 6227935871232 |
10 | -1639388975800832 |
11 | 537520438716580864 |
12 | -214739554795652526080 |
13 | 102653241459277667225600 |
14 | -57838071113129054500200448 |
15 | 37921092324167375349735014400 |
16 | -28616681138798042948070311264256 |
17 | 24621851021674983535130840611749888 |