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 | 0 |
1 | 1 |
2 | -3 |
3 | 20 |
4 | -186 |
5 | 2249 |
6 | -33360 |
7 | 586172 |
8 | -11901008 |
9 | 274098393 |
10 | -7060189120 |
11 | 201092672604 |
12 | -6275340884736 |
13 | 212915635727313 |
14 | -7803567334571008 |
15 | 307245946117223700 |
16 | -12933084380738398208 |
17 | 579587518114690731601 |
18 | -27550568677612746940416 |
19 | 1384553892443352890245636 |