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) |
---|---|
1 | 1 |
2 | 0 |
3 | 3 |
4 | -48 |
5 | 1270 |
6 | -50375 |
7 | 2803829 |
8 | -208616562 |
9 | 20003317746 |
10 | -2402323535658 |
11 | 353219463307920 |
12 | -62411008199372327 |
13 | 13048469028962425266 |
14 | -3186116313706825820802 |
15 | 898478811755719496052919 |
16 | -289795933163271680910773018 |
17 | 106008143082108931457543700504 |