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 | 5 |
4 | -27 |
5 | 307 |
6 | -4403 |
7 | 71353 |
8 | -1333090 |
9 | 28816647 |
10 | -709090995 |
11 | 19516306141 |
12 | -593330123807 |
13 | 19747569261851 |
14 | -714304238263502 |
15 | 27903505800651169 |
16 | -1170716239531658759 |
17 | 52503701213718494671 |
18 | -2506483879112555156467 |
19 | 126905975195788734150405 |