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 | -1 |
3 | -11 |
4 | -23 |
5 | -19 |
6 | 991 |
7 | 4369 |
8 | -11311 |
9 | -356903 |
10 | 5389471 |
11 | 7875341 |
12 | -430708871 |
13 | -16579950971 |
14 | 45417621887 |
15 | 3629980647721 |
16 | 93982540029601 |
17 | -1077931879771471 |
18 | -29167938898699841 |
19 | -486520057714400603 |
20 | 7973931691642326281 |
21 | 205214099791890382621 |