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 | 3 |
3 | -5 |
4 | -23 |
5 | 521 |
6 | -1829 |
7 | -71021 |
8 | 1319697 |
9 | 5905297 |
10 | -683965709 |
11 | 8664974891 |
12 | 311864420473 |
13 | -13981842414695 |
14 | 6694007756619 |
15 | 16448800124183491 |
16 | -448649039951220959 |
17 | -13236887251789967071 |
18 | 1210629233913421852387 |
19 | -12065049302884271631269 |