A079200 - cp's OEIS frontend

A079200 Number of isomorphism classes of associative non-commutative closed binary operations on a set of order n, listed by class size.

n	a(n)
0	0
1	0
2	2
3	0
4	2
5	0
6	4
7	6
8	2
9	0
10	0
11	4
12	5
13	0
14	46
15	73
16	2
17	0
18	0
19	0
20	4
21	0
22	0
23	8
24	0
25	2
26	36
27	0
28	43
29	2
30	473
31	1020
32	2
33	0
34	0
35	0
36	0
37	4
38	0
39	0
40	0
41	0
42	8
43	0
44	0
45	4
46	0
47	36
48	0
49	0
50	0
51	0
52	86
53	0
54	0
55	38
56	415
57	0
58	758
59	32
60	6682
61	18426
62	2
63	0
64	0
65	0
66	0
67	0
68	4
69	0
70	0
71	0
72	0
73	0
74	0
75	0
76	0
77	0
78	8

[0, 0, 2, 0, 2, 0, 4, 6, 2, 0, 0, 4, 5, 0, 46, 73, 2, 0, 0, 0, 4, 0, 0, 8, 0, 2, 36, 0, 43, 2, 473, 1020, 2, 0, 0, 0, 0, 4, 0, 0, 0, 0, 8, 0, 0, 4, 0, 36, 0, 0, 0, 0, 86, 0, 0, 38, 415, 0, 758, 32, 6682, 18426, 2, 0, 0, 0, 0, 0, 4, 0, 0, 0, 0, 0, 0, 0, 0, 0, 8]

cp's OEIS Frontend

A079200 Number of isomorphism classes of associative non-commutative closed binary operations on a set of order n, listed by class size.

Table of values

List of values