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 | 4 |
3 | 21 |
4 | 127 |
5 | 833 |
6 | 5763 |
7 | 41401 |
8 | 305877 |
9 | 2309385 |
10 | 17739561 |
11 | 138197876 |
12 | 1089276972 |
13 | 8670856834 |
14 | 69606939717 |
15 | 562879492551 |
16 | 4580890678781 |
17 | 37490975387565 |
18 | 308369889858450 |
19 | 2547741413147700 |
20 | 21133987935358776 |
21 | 175947462569886786 |
22 | 1469656053534121804 |