cp's OEIS Frontend

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.

A058169 Triangle: Number of asymmetric self-converse semigroups of order n with k idempotents.

Table of values

n a(n)
1 1
2 2
3 1
4 3
5 5
6 1
7 9
8 19
9 14
10 2
11 52
12 82
13 88
14 43
15 6
16 624
17 470
18 556
19 410
20 162
21 24
22 19027
23 4444
24 3771
25 3501
26 2088
27 731
28 110

List of values

[1, 2, 1, 3, 5, 1, 9, 19, 14, 2, 52, 82, 88, 43, 6, 624, 470, 556, 410, 162, 24, 19027, 4444, 3771, 3501, 2088, 731, 110]