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 | -7 |
4 | 19 |
5 | -51 |
6 | 61 |
7 | 167 |
8 | 6777 |
9 | -107929 |
10 | 1650691 |
11 | -17839911 |
12 | 157217083 |
13 | -1229269627 |
14 | 6185945949 |
15 | -3251776921 |
16 | -1151787785999 |
17 | 10138302541647 |
18 | 532690324952707 |
19 | -14122245788830279 |
20 | 443912721023736291 |
21 | -7480012715591067331 |
22 | 115775303074594208893 |
23 | -1392396864130912381017 |