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 | -2 |
2 | 7 |
3 | -9 |
4 | 121 |
5 | 797 |
6 | 14517 |
7 | 251521 |
8 | 5199313 |
9 | 120881133 |
10 | 3139282909 |
11 | 90010844657 |
12 | 2824532243001 |
13 | 96284834673349 |
14 | 3543187673495269 |
15 | 139992580020525993 |
16 | 5910844405813258273 |
17 | 265606657711863337181 |
18 | 12655895981349401656749 |