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 | 6 |
3 | 54 |
4 | 540 |
5 | 5925 |
6 | 68753 |
7 | 830267 |
8 | 10324947 |
9 | 131329213 |
10 | 1700614790 |
11 | 22344117822 |
12 | 297132512955 |
13 | 3991542148276 |
14 | 54086668396101 |
15 | 738390401404546 |
16 | 10146440406910223 |
17 | 140227571720595241 |
18 | 1947883865390758591 |
19 | 27181029295364007844 |
20 | 380838895427784827916 |