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 | 0 |
2 | -9 |
3 | -153 |
4 | -2668 |
5 | -200200 |
6 | -20916552 |
7 | -2515242520 |
8 | -404114856640 |
9 | -84096850828032 |
10 | -21708790967664000 |
11 | -6808856052755927808 |
12 | -2552126898198385479168 |
13 | -1126589571631974396251136 |
14 | -578462264691449080954733568 |
15 | -341831898528862885226121600000 |