A140426 - cp's OEIS frontend

A140426 Number of multi-symmetric Steinhaus matrices of size n.

n	a(n)
0	1
1	1
2	2
3	1
4	2
5	2
6	2
7	2
8	4
9	2
10	4
11	4
12	4
13	4
14	8
15	4
16	8
17	8
18	8
19	8
20	16
21	8
22	16
23	16
24	16
25	16
26	32
27	16
28	32
29	32
30	32
31	32
32	64
33	32
34	64
35	64
36	64
37	64
38	128
39	64
40	128
41	128
42	128
43	128
44	256
45	128
46	256
47	256
48	256
49	256
50	512
51	256
52	512
53	512
54	512
55	512
56	1024
57	512
58	1024
59	1024
60	1024
61	1024
62	2048
63	1024
64	2048
65	2048
66	2048
67	2048
68	4096
69	2048

[1, 1, 2, 1, 2, 2, 2, 2, 4, 2, 4, 4, 4, 4, 8, 4, 8, 8, 8, 8, 16, 8, 16, 16, 16, 16, 32, 16, 32, 32, 32, 32, 64, 32, 64, 64, 64, 64, 128, 64, 128, 128, 128, 128, 256, 128, 256, 256, 256, 256, 512, 256, 512, 512, 512, 512, 1024, 512, 1024, 1024, 1024, 1024, 2048, 1024, 2048, 2048, 2048, 2048, 4096, 2048]

cp's OEIS Frontend

A140426 Number of multi-symmetric Steinhaus matrices of size n.

Table of values

List of values