A260645 - cp's OEIS frontend

A260645 The number of central quasigroups (also known as T-quasigroups, or quasigroups affine over an abelian group) of order n, up to isomorphism.

n	a(n)
1	1
2	1
3	5
4	19
5	19
6	5
7	41
8	385
9	231
10	19
11	109
12	95
13	155
14	41
15	95
16	41387
17	271
18	231
19	341
20	361
21	205
22	109
23	505
24	1925
25	3337
26	155
27	36118
28	779
29	811
30	95
31	929
32	19823665
33	545
34	271
35	779
36	4389
37	1331
38	341
39	775
40	7315
41	1639
42	205
43	1805
44	2071
45	4389
46	505
47	2161
48	206935
49	18099
50	3337
51	1355
52	2945
53	2755
54	36118
55	2071
56	15785
57	1705
58	811
59	3421
60	1805
61	3659
62	929
63	9471

[1, 1, 5, 19, 19, 5, 41, 385, 231, 19, 109, 95, 155, 41, 95, 41387, 271, 231, 341, 361, 205, 109, 505, 1925, 3337, 155, 36118, 779, 811, 95, 929, 19823665, 545, 271, 779, 4389, 1331, 341, 775, 7315, 1639, 205, 1805, 2071, 4389, 505, 2161, 206935, 18099, 3337, 1355, 2945, 2755, 36118, 2071, 15785, 1705, 811, 3421, 1805, 3659, 929, 9471]

cp's OEIS Frontend

A260645 The number of central quasigroups (also known as T-quasigroups, or quasigroups affine over an abelian group) of order n, up to isomorphism.

Table of values

List of values