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 | 8 |
4 | 60 |
5 | 643 |
6 | 8564 |
7 | 133890 |
8 | 2376261 |
9 | 46832442 |
10 | 1009739331 |
11 | 23564025488 |
12 | 590503218735 |
13 | 15793704933899 |
14 | 448695132962248 |
15 | 13487808514722460 |
16 | 427624923581550100 |
17 | 14260707306806609885 |
18 | 499071020445057149835 |
19 | 18290961984686434723480 |
20 | 700757535935308305865473 |
21 | 28017787701624063252219677 |