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 | 3 |
3 | 12 |
4 | 62 |
5 | 390 |
6 | 2884 |
7 | 24472 |
8 | 234086 |
9 | 2490030 |
10 | 29139306 |
11 | 371878056 |
12 | 5138306700 |
13 | 76398336924 |
14 | 1215973642584 |
15 | 20624305367520 |
16 | 371309259462972 |
17 | 7071037633297116 |
18 | 141997246553420052 |
19 | 2998654325698019280 |
20 | 66426777891686458728 |
21 | 1540117294435707244488 |
22 | 37296711627004301923056 |