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 | -2 |
3 | 12 |
4 | -136 |
5 | 2736 |
6 | -99616 |
7 | 6810816 |
8 | -900563072 |
9 | 234247256832 |
10 | -120883821425152 |
11 | 124271556482829312 |
12 | -255006726559759042560 |
13 | 1045529090595650037657600 |
14 | -8569159507007490469146992640 |
15 | 140431398588497630920722150113280 |
16 | -4602217897540461023955069241211781120 |