A105292 - cp's OEIS frontend

A105292 Triangle read by rows: T(n,k) is the number of directed column-convex polyominoes of area n, having leftmost column of height k.

n	a(n)
1	1
2	1
3	1
4	2
5	2
6	1
7	5
8	4
9	3
10	1
11	13
12	10
13	6
14	4
15	1
16	34
17	26
18	15
19	8
20	5
21	1
22	89
23	68
24	39
25	20
26	10
27	6
28	1
29	233
30	178
31	102
32	52
33	25
34	12
35	7
36	1
37	610
38	466
39	267
40	136
41	65
42	30
43	14
44	8
45	1
46	1597
47	1220
48	699
49	356
50	170
51	78
52	35
53	16
54	9
55	1
56	4181
57	3194
58	1830
59	932
60	445
61	204
62	91
63	40
64	18
65	10
66	1
67	10946
68	8362

[1, 1, 1, 2, 2, 1, 5, 4, 3, 1, 13, 10, 6, 4, 1, 34, 26, 15, 8, 5, 1, 89, 68, 39, 20, 10, 6, 1, 233, 178, 102, 52, 25, 12, 7, 1, 610, 466, 267, 136, 65, 30, 14, 8, 1, 1597, 1220, 699, 356, 170, 78, 35, 16, 9, 1, 4181, 3194, 1830, 932, 445, 204, 91, 40, 18, 10, 1, 10946, 8362]

cp's OEIS Frontend

A105292 Triangle read by rows: T(n,k) is the number of directed column-convex polyominoes of area n, having leftmost column of height k.

Table of values

List of values