A266470 - cp's OEIS frontend

A266470 T(n,k) = number of n X k binary arrays with rows and columns lexicographically nondecreasing and column sums nonincreasing.

n	a(n)
1	2
2	2
3	3
4	2
5	4
6	4
7	2
8	5
9	7
10	5
11	2
12	6
13	12
14	12
15	6
16	2
17	7
18	19
19	29
20	19
21	7
22	2
23	8
24	28
25	66
26	67
27	29
28	8
29	2
30	9
31	39
32	137
33	232
34	147
35	42
36	9
37	2
38	10
39	52
40	261
41	735
42	794
43	303
44	59
45	10
46	2
47	11
48	67
49	463
50	2090
51	4074
52	2574
53	590
54	80
55	11
56	2
57	12
58	84
59	775
60	5371
61	18808
62	22128
63	7797
64	1090
65	106
66	12
67	2
68	13
69	103

[2, 2, 3, 2, 4, 4, 2, 5, 7, 5, 2, 6, 12, 12, 6, 2, 7, 19, 29, 19, 7, 2, 8, 28, 66, 67, 29, 8, 2, 9, 39, 137, 232, 147, 42, 9, 2, 10, 52, 261, 735, 794, 303, 59, 10, 2, 11, 67, 463, 2090, 4074, 2574, 590, 80, 11, 2, 12, 84, 775, 5371, 18808, 22128, 7797, 1090, 106, 12, 2, 13, 103]

cp's OEIS Frontend

A266470 T(n,k) = number of n X k binary arrays with rows and columns lexicographically nondecreasing and column sums nonincreasing.

Table of values

List of values