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 | -119304647 |
11 | 16266970069380217 |
12 | -2179059787976052939572615 |
13 | 292539874786707389459461268654713 |
14 | -39262839136506665155883080645146897495431 |
15 | 5269789166381879647128952074697436662720144919161 |