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 | 3 |
3 | 16 |
4 | 105 |
5 | 715 |
6 | 4896 |
7 | 33553 |
8 | 229971 |
9 | 1576240 |
10 | 10803705 |
11 | 74049691 |
12 | 507544128 |
13 | 3478759201 |
14 | 23843770275 |
15 | 163427632720 |
16 | 1120149658761 |
17 | 7677619978603 |
18 | 52623190191456 |
19 | 360684711361585 |
20 | 2472169789339635 |