A105929 - cp's OEIS frontend

A105929 Triangle read by rows: T(n,k) is the number of directed column-convex polyominoes of area n, having k columns of height 1 starting at level 0.

n	a(n)
0	1
1	0
2	1
3	1
4	0
5	1
6	2
7	2
8	0
9	1
10	6
11	3
12	3
13	0
14	1
15	16
16	9
17	4
18	4
19	0
20	1
21	43
22	22
23	13
24	5
25	5
26	0
27	1
28	114
29	58
30	30
31	18
32	6
33	6
34	0
35	1
36	301
37	151
38	79
39	40
40	24
41	7
42	7
43	0
44	1
45	792
46	396
47	202
48	107
49	52
50	31
51	8
52	8
53	0
54	1
55	2080
56	1038
57	526
58	270
59	143
60	66
61	39
62	9
63	9
64	0
65	1
66	5456
67	2722
68	1370
69	701
70	358
71	188
72	82
73	48
74	10
75	10
76	0
77	1

[1, 0, 1, 1, 0, 1, 2, 2, 0, 1, 6, 3, 3, 0, 1, 16, 9, 4, 4, 0, 1, 43, 22, 13, 5, 5, 0, 1, 114, 58, 30, 18, 6, 6, 0, 1, 301, 151, 79, 40, 24, 7, 7, 0, 1, 792, 396, 202, 107, 52, 31, 8, 8, 0, 1, 2080, 1038, 526, 270, 143, 66, 39, 9, 9, 0, 1, 5456, 2722, 1370, 701, 358, 188, 82, 48, 10, 10, 0, 1]

cp's OEIS Frontend

A105929 Triangle read by rows: T(n,k) is the number of directed column-convex polyominoes of area n, having k columns of height 1 starting at level 0.

Table of values

List of values