A377942 - cp's OEIS frontend

A377942 Triangle read by rows: T(n,k) = number of free polyominoes with n cells, where the maximum number of collinear cell centers on any line in the plane is k.

n	a(n)
1	1
2	0
3	1
4	0
5	1
6	1
7	0
8	2
9	2
10	1
11	0
12	0
13	9
14	2
15	1
16	0
17	0
18	18
19	13
20	3
21	1
22	0
23	0
24	37
25	48
26	19
27	3
28	1
29	0
30	0
31	62
32	200
33	77
34	25
35	4
36	1
37	0
38	0
39	86
40	678
41	369
42	114
43	33
44	4
45	1
46	0
47	0
48	78
49	2177
50	1590
51	593
52	170
53	41
54	5
55	1
56	0
57	0
58	61
59	6280
60	6739
61	2774
62	928
63	234
64	51
65	5
66	1
67	0
68	0
69	34
70	17187
71	27153
72	12851
73	4597
74	1387
75	323
76	61
77	6
78	1

[1, 0, 1, 0, 1, 1, 0, 2, 2, 1, 0, 0, 9, 2, 1, 0, 0, 18, 13, 3, 1, 0, 0, 37, 48, 19, 3, 1, 0, 0, 62, 200, 77, 25, 4, 1, 0, 0, 86, 678, 369, 114, 33, 4, 1, 0, 0, 78, 2177, 1590, 593, 170, 41, 5, 1, 0, 0, 61, 6280, 6739, 2774, 928, 234, 51, 5, 1, 0, 0, 34, 17187, 27153, 12851, 4597, 1387, 323, 61, 6, 1]

cp's OEIS Frontend

A377942 Triangle read by rows: T(n,k) = number of free polyominoes with n cells, where the maximum number of collinear cell centers on any line in the plane is k.

Table of values

List of values