A142886 - cp's OEIS frontend

A142886 Number of polyominoes with n cells that have the symmetry group D_8.

n	a(n)
0	1
1	1
2	0
3	0
4	1
5	1
6	0
7	0
8	1
9	2
10	0
11	0
12	3
13	2
14	0
15	0
16	5
17	4
18	0
19	0
20	12
21	7
22	0
23	0
24	20
25	11
26	0
27	0
28	45
29	20
30	0
31	0
32	80
33	36
34	0
35	0
36	173
37	65
38	0
39	0
40	310
41	117
42	0
43	0
44	664
45	216
46	0
47	0
48	1210
49	396
50	0
51	0
52	2570
53	736
54	0
55	0
56	4728
57	1369
58	0
59	0
60	9976
61	2558
62	0
63	0
64	18468
65	4787
66	0
67	0
68	38840

[1, 1, 0, 0, 1, 1, 0, 0, 1, 2, 0, 0, 3, 2, 0, 0, 5, 4, 0, 0, 12, 7, 0, 0, 20, 11, 0, 0, 45, 20, 0, 0, 80, 36, 0, 0, 173, 65, 0, 0, 310, 117, 0, 0, 664, 216, 0, 0, 1210, 396, 0, 0, 2570, 736, 0, 0, 4728, 1369, 0, 0, 9976, 2558, 0, 0, 18468, 4787, 0, 0, 38840]

cp's OEIS Frontend

A142886 Number of polyominoes with n cells that have the symmetry group D_8.

Table of values

List of values