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) |
---|---|
2 | 2 |
3 | 3 |
4 | 45 |
5 | 175 |
6 | 693 |
7 | 11011 |
8 | 2807805 |
9 | 302307005 |
10 | 402243205 |
11 | 714186915 |
12 | 42803602439 |
13 | 11086133031701 |
14 | 5908908905896633 |
15 | 1488200914442251997 |
16 | 3041106216468949733 |
17 | 16213234917387714257 |
18 | 21611220383343195817 |
19 | 77778782159652161745383 |
20 | 67745319261057032880228593 |