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 | 11 |
3 | -49 |
4 | 1187 |
5 | -18083 |
6 | 662407 |
7 | -3539605 |
8 | 864309187 |
9 | -949103125 |
10 | 289289620393 |
11 | -4846044126449 |
12 | 12389144856368069 |
13 | -69977996793541583 |
14 | 1191089380720588487 |
15 | -6783915816877925461 |
16 | 3295296805315071712171 |
17 | -169986671194174827887881 |
18 | 129921413307474873885175559 |
19 | -149671376459098924087260625 |