A331462 - cp's OEIS frontend

A331462 Triangle read by rows: T(n,k) is the number of n X n binary matrices with k=0..n^2 ones forming a polyomino, under action of dihedral group of the square D_4.

n	a(n)
0	0
1	0
2	1
3	0
4	1
5	1
6	1
7	1
8	0
9	3
10	2
11	5
12	6
13	10
14	8
15	7
16	3
17	1
18	0
19	3
20	4
21	8
22	17
23	33
24	68
25	119
26	195
27	261
28	300
29	257
30	169
31	66
32	20
33	3
34	1
35	0
36	6
37	6
38	16
39	32
40	82
41	189
42	470
43	1076
44	2422
45	5010
46	9732
47	17145
48	27399
49	38680
50	47560
51	49325
52	41872
53	27864
54	14095
55	5280
56	1470
57	302
58	48
59	6
60	1

[0, 0, 1, 0, 1, 1, 1, 1, 0, 3, 2, 5, 6, 10, 8, 7, 3, 1, 0, 3, 4, 8, 17, 33, 68, 119, 195, 261, 300, 257, 169, 66, 20, 3, 1, 0, 6, 6, 16, 32, 82, 189, 470, 1076, 2422, 5010, 9732, 17145, 27399, 38680, 47560, 49325, 41872, 27864, 14095, 5280, 1470, 302, 48, 6, 1]

cp's OEIS Frontend

A331462 Triangle read by rows: T(n,k) is the number of n X n binary matrices with k=0..n^2 ones forming a polyomino, under action of dihedral group of the square D_4.

Table of values

List of values