A266935 - cp's OEIS frontend

A266935 T(n,k)=Number of nXk binary arrays with rows lexicographically nondecreasing and columns lexicographically nondecreasing and row sums nondecreasing and column sums nonincreasing.

n	a(n)
1	2
2	2
3	3
4	2
5	4
6	4
7	2
8	4
9	7
10	5
11	2
12	5
13	9
14	12
15	6
16	2
17	5
18	12
19	20
20	19
21	7
22	2
23	6
24	14
25	35
26	44
27	29
28	8
29	2
30	6
31	19
32	52
33	100
34	92
35	42
36	9
37	2
38	7
39	21
40	82
41	210
42	288
43	182
44	59
45	10
46	2
47	7
48	26
49	115
50	429
51	871
52	794
53	340
54	80
55	11
56	2
57	8
58	30
59	169
60	816
61	2577
62	3566
63	2077
64	605
65	106
66	12
67	2
68	8
69	35
70	232
71	1534
72	7185

[2, 2, 3, 2, 4, 4, 2, 4, 7, 5, 2, 5, 9, 12, 6, 2, 5, 12, 20, 19, 7, 2, 6, 14, 35, 44, 29, 8, 2, 6, 19, 52, 100, 92, 42, 9, 2, 7, 21, 82, 210, 288, 182, 59, 10, 2, 7, 26, 115, 429, 871, 794, 340, 80, 11, 2, 8, 30, 169, 816, 2577, 3566, 2077, 605, 106, 12, 2, 8, 35, 232, 1534, 7185]

cp's OEIS Frontend

A266935 T(n,k)=Number of nXk binary arrays with rows lexicographically nondecreasing and columns lexicographically nondecreasing and row sums nondecreasing and column sums nonincreasing.

Table of values

List of values