A136129 - cp's OEIS frontend

A136129 Triangle read by rows: T(n,k) is the number of directed, vertically convex polyominoes of height n and area k (n<= k <=n(n+1)/2).

n	a(n)
1	1
2	0
3	2
4	1
5	0
6	0
7	4
8	5
9	3
10	1
11	0
12	0
13	0
14	8
15	15
16	17
17	15
18	9
19	4
20	1
21	0
22	0
23	0
24	0
25	16
26	39
27	59
28	75
29	78
30	67
31	48
32	29
33	14
34	5
35	1
36	0
37	0
38	0
39	0
40	0
41	32
42	95
43	175
44	269
45	358
46	419
47	432
48	400
49	334
50	250
51	166
52	97
53	49
54	20
55	6
56	1
57	0
58	0
59	0
60	0
61	0
62	0
63	64
64	223
65	479
66	845
67	1300
68	1801
69	2269
70	2622
71	2805
72	2794
73	2593

[1, 0, 2, 1, 0, 0, 4, 5, 3, 1, 0, 0, 0, 8, 15, 17, 15, 9, 4, 1, 0, 0, 0, 0, 16, 39, 59, 75, 78, 67, 48, 29, 14, 5, 1, 0, 0, 0, 0, 0, 32, 95, 175, 269, 358, 419, 432, 400, 334, 250, 166, 97, 49, 20, 6, 1, 0, 0, 0, 0, 0, 0, 64, 223, 479, 845, 1300, 1801, 2269, 2622, 2805, 2794, 2593]

cp's OEIS Frontend

A136129 Triangle read by rows: T(n,k) is the number of directed, vertically convex polyominoes of height n and area k (n<= k <=n(n+1)/2).

Table of values

List of values