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 | -14 |
2 | 131 |
3 | -1080 |
4 | 8333 |
5 | -61580 |
6 | 441893 |
7 | -3104136 |
8 | 21454675 |
9 | -146408362 |
10 | 988876484 |
11 | -6622729128 |
12 | 44039891747 |
13 | -291092877360 |
14 | 1914072126008 |
15 | -12529113820200 |
16 | 81687913345362 |
17 | -530724605541430 |
18 | 3437326269162720 |
19 | -22199991545327616 |
20 | 143016156285625823 |