A188449 - cp's OEIS frontend

A188449 T(n,k)=Number of (n*k)Xk binary arrays with nonzero rows in decreasing order, no more than 3 ones in any row and exactly n ones in every column.

n	a(n)
1	1
2	2
3	0
4	5
5	1
6	0
7	14
8	8
9	0
10	0
11	46
12	66
13	5
14	0
15	0
16	166
17	722
18	139
19	1
20	0
21	0
22	652
23	9955
24	4944
25	139
26	0
27	0
28	0
29	2780
30	165252
31	244490
32	16683
33	66
34	0
35	0
36	0
37	12644
38	3221806
39	15980350
40	2876300
41	30090
42	14
43	0
44	0
45	0
46	61136
47	72445292
48	1330789145
49	703845255
50	18014566
51	30090
52	1
53	0
54	0

[1, 2, 0, 5, 1, 0, 14, 8, 0, 0, 46, 66, 5, 0, 0, 166, 722, 139, 1, 0, 0, 652, 9955, 4944, 139, 0, 0, 0, 2780, 165252, 244490, 16683, 66, 0, 0, 0, 12644, 3221806, 15980350, 2876300, 30090, 14, 0, 0, 0, 61136, 72445292, 1330789145, 703845255, 18014566, 30090, 1, 0, 0]

cp's OEIS Frontend

A188449 T(n,k)=Number of (n*k)Xk binary arrays with nonzero rows in decreasing order, no more than 3 ones in any row and exactly n ones in every column.

Table of values

List of values