A079201 - cp's OEIS frontend

A079201 Number of isomorphism classes of associative commutative closed binary operations on a set of order n, listed by class size.

n	a(n)
0	1
1	1
2	0
3	3
4	0
5	0
6	3
7	9
8	0
9	0
10	0
11	3
12	0
13	0
14	16
15	39
16	0
17	0
18	0
19	0
20	2
21	0
22	0
23	0
24	0
25	0
26	15
27	0
28	4
29	0
30	103
31	201
32	0
33	0
34	0
35	0
36	0
37	2
38	0
39	0
40	0
41	0
42	0
43	0
44	0
45	0
46	0
47	12
48	0
49	0
50	0
51	0
52	6
53	0
54	0
55	4
56	91
57	0
58	55
59	0
60	715
61	1258
62	0
63	0
64	0
65	0
66	0
67	0
68	2
69	0
70	0
71	0
72	0
73	0
74	0
75	0
76	0
77	0
78	0
79	0
80	0
81	0
82	0
83	0
84	0
85	12

[1, 1, 0, 3, 0, 0, 3, 9, 0, 0, 0, 3, 0, 0, 16, 39, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 15, 0, 4, 0, 103, 201, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 12, 0, 0, 0, 0, 6, 0, 0, 4, 91, 0, 55, 0, 715, 1258, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 12]

cp's OEIS Frontend

A079201 Number of isomorphism classes of associative commutative closed binary operations on a set of order n, listed by class size.

Table of values

List of values