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 | 2 |
3 | 3 |
4 | -4 |
5 | -30 |
6 | 234 |
7 | 679 |
8 | -35848 |
9 | 305208 |
10 | 6762360 |
11 | -290545486 |
12 | 2866197828 |
13 | 186075548048 |
14 | -10575881477630 |
15 | 151622861284395 |
16 | 14937532353298992 |
17 | -1269964031741331704 |
18 | 32904195657758601624 |
19 | 2814524425307181390432 |
20 | -395787864674458924551840 |