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 | -2 |
3 | 22 |
4 | -266 |
5 | 4614 |
6 | -102442 |
7 | 2777030 |
8 | -88914730 |
9 | 3283693254 |
10 | -137408080298 |
11 | 6425417730758 |
12 | -332055079469610 |
13 | 18792899306652358 |
14 | -1156017201432075946 |
15 | 76796076655220486854 |
16 | -5479395288838822143786 |
17 | 417905042599836811225798 |
18 | -33928512587303405767179178 |