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 | 1 |
2 | 0 |
3 | 0 |
4 | 0 |
5 | -3 |
6 | -26 |
7 | 200 |
8 | 2154 |
9 | 11484 |
10 | 19600 |
11 | -477397 |
12 | -8219901 |
13 | -91253055 |
14 | -827443165 |
15 | -6390673975 |
16 | -40675147794 |
17 | -175537475858 |
18 | 224340865430 |
19 | 16557635792557 |
20 | 240512852610684 |
21 | 2400398259375610 |
22 | 16146663225893061 |
23 | 5309635516930146 |
24 | -2257043208658957597 |
25 | -52738581235904454897 |