A331571 - cp's OEIS frontend

A331571 Array read by antidiagonals: A(n,k) is the number of binary matrices with k columns and any number of distinct nonzero rows with n ones in every column and columns in nonincreasing lexicographic order.

n	a(n)
0	1
1	1
2	1
3	1
4	1
5	1
6	1
7	2
8	0
9	1
10	1
11	4
12	3
13	0
14	1
15	1
16	8
17	23
18	0
19	0
20	1
21	1
22	16
23	290
24	184
25	0
26	0
27	1
28	1
29	32
30	4298
31	17488
32	840
33	0
34	0
35	1
36	1
37	64
38	79143
39	2780752
40	771305
41	0
42	0
43	0
44	1
45	1
46	128
47	1702923
48	689187720
49	1496866413
50	21770070
51	0
52	0
53	0
54	1
55	1
56	256
57	42299820
58	236477490418
59	5261551562405
60	585897733896
61	328149360
62	0
63	0
64	0
65	1

[1, 1, 1, 1, 1, 1, 1, 2, 0, 1, 1, 4, 3, 0, 1, 1, 8, 23, 0, 0, 1, 1, 16, 290, 184, 0, 0, 1, 1, 32, 4298, 17488, 840, 0, 0, 1, 1, 64, 79143, 2780752, 771305, 0, 0, 0, 1, 1, 128, 1702923, 689187720, 1496866413, 21770070, 0, 0, 0, 1, 1, 256, 42299820, 236477490418, 5261551562405, 585897733896, 328149360, 0, 0, 0, 1]

cp's OEIS Frontend

A331571 Array read by antidiagonals: A(n,k) is the number of binary matrices with k columns and any number of distinct nonzero rows with n ones in every column and columns in nonincreasing lexicographic order.

Table of values

List of values