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 | 2 |
3 | 6 |
4 | 28 |
5 | 228 |
6 | 3592 |
7 | 113880 |
8 | 7267952 |
9 | 929696784 |
10 | 237968445472 |
11 | 121835841547872 |
12 | 124758916812038592 |
13 | 255505766282965942848 |
14 | 1046551115668335283290240 |
15 | 8573345713494489300568753536 |
16 | 140465691975467799273799959144192 |
17 | 4602779760325164559879331800453222656 |
18 | 301647773810532495378626041621616755442176 |
19 | 39537576990478498231890121766124629197694682624 |