A126743 - cp's OEIS frontend

A126743 Triangle read by rows: T(n,k) (n>=1) gives the number of n-indecomposable polyominoes with k cells (k >= 2n).

n	a(n)
1	0
2	0
3	0
4	0
5	1
6	1
7	0
8	0
9	0
10	0
11	0
12	6
13	5
14	1
15	1
16	0
17	0
18	0
19	0
20	0
21	0
22	0
23	73
24	76
25	80
26	25
27	15
28	15
29	0
30	0
31	0
32	0
33	0
34	0
35	0
36	0
37	0
38	1044
39	1475
40	2205
41	2643
42	983
43	1050
44	1208
45	958
46	0
47	0
48	0
49	0
50	0
51	0
52	0
53	0
54	0
55	0
56	0
57	15980
58	26548
59	48766
60	79579
61	99860
62	45898
63	60433
64	89890
65	109424
66	84312
67	0
68	0
69	0
70	0
71	0
72	0
73	0
74	0
75	0
76	0
77	0
78	0
79	0
80	245955
81	458397
82	948201
83	1857965
84	3160371
85	4153971
86	2217787
87	3402761
88	5855953
89	9067535
90	11402651
91	9170285
92	0
93	0
94	0
95	0
96	0
97	0
98	0
99	0
100	0
101	0
102	0
103	0
104	0
105	0
106	0
107	3807508
108	7710844
109	17354771
110	37983463

[0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 6, 5, 1, 1, 0, 0, 0, 0, 0, 0, 0, 73, 76, 80, 25, 15, 15, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1044, 1475, 2205, 2643, 983, 1050, 1208, 958, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 15980, 26548, 48766, 79579, 99860, 45898, 60433, 89890, 109424, 84312, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 245955, 458397, 948201, 1857965, 3160371, 4153971, 2217787, 3402761, 5855953, 9067535, 11402651, 9170285, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3807508, 7710844, 17354771, 37983463]

cp's OEIS Frontend

A126743 Triangle read by rows: T(n,k) (n>=1) gives the number of n-indecomposable polyominoes with k cells (k >= 2n).

Table of values

List of values