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 | -11 |
4 | -11 |
5 | 1341 |
6 | -14339 |
7 | -168923 |
8 | 8905065 |
9 | -85313735 |
10 | -4604578919 |
11 | 197455645641 |
12 | -273728455571 |
13 | -267002430142187 |
14 | 9427821270512373 |
15 | 178475402982086701 |
16 | -28273343910563670959 |
17 | 713736314833387866225 |
18 | 51907546734507018043057 |