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) |
---|---|
9 | 1 |
10 | -341 |
11 | 232903 |
12 | -105970865 |
13 | 57881286463 |
14 | -28735427761313 |
15 | 14946527496991519 |
16 | -7593183562134412385 |
17 | 3902985682508407194271 |
18 | -1994425683761796076272481 |
19 | 1022146087305755916943130783 |
20 | -523082886040328458081329117025 |