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) |
---|---|
1 | 1 |
2 | 1 |
3 | -5 |
4 | 43 |
5 | -443 |
6 | 4957 |
7 | -57281 |
8 | 661375 |
9 | -7430526 |
10 | 79197417 |
11 | -778914398 |
12 | 6845802239 |
13 | -52074744048 |
14 | 345158019601 |
15 | -2374391391323 |
16 | 20218882229451 |
17 | -34682204747638 |
18 | -6385759551091470 |
19 | 180067413599721613 |
20 | -2110513020510554883 |