A121300 - cp's OEIS frontend

A121300 Triangle read by rows: T(n,k) is the number of directed column-convex polyominoes of area n and having k cells in the longest column (1<=k<=n).

n	a(n)
1	1
2	1
3	1
4	1
5	3
6	1
7	1
8	7
9	4
10	1
11	1
12	15
13	12
14	5
15	1
16	1
17	31
18	35
19	15
20	6
21	1
22	1
23	63
24	95
25	48
26	18
27	7
28	1
29	1
30	127
31	249
32	145
33	58
34	21
35	8
36	1
37	1
38	255
39	640
40	418
41	181
42	68
43	24
44	9
45	1
46	1
47	511
48	1615
49	1180
50	545
51	213
52	78
53	27
54	10
55	1
56	1
57	1023
58	4026
59	3279
60	1593
61	649
62	245
63	88
64	30
65	11
66	1
67	1
68	2047
69	9944
70	8981
71	4583
72	1932
73	748
74	277
75	98
76	33
77	12
78	1

[1, 1, 1, 1, 3, 1, 1, 7, 4, 1, 1, 15, 12, 5, 1, 1, 31, 35, 15, 6, 1, 1, 63, 95, 48, 18, 7, 1, 1, 127, 249, 145, 58, 21, 8, 1, 1, 255, 640, 418, 181, 68, 24, 9, 1, 1, 511, 1615, 1180, 545, 213, 78, 27, 10, 1, 1, 1023, 4026, 3279, 1593, 649, 245, 88, 30, 11, 1, 1, 2047, 9944, 8981, 4583, 1932, 748, 277, 98, 33, 12, 1]

cp's OEIS Frontend

A121300 Triangle read by rows: T(n,k) is the number of directed column-convex polyominoes of area n and having k cells in the longest column (1<=k<=n).

Table of values

List of values