A331570 - cp's OEIS frontend

A331570 Array read by antidiagonals: A(n,k) is the number of nonnegative integer matrices with k distinct columns and any number of distinct nonzero rows with column sums n and columns in decreasing lexicographic order.

n	a(n)
0	1
1	1
2	1
3	0
4	1
5	1
6	0
7	1
8	1
9	1
10	0
11	1
12	6
13	3
14	1
15	0
16	1
17	46
18	42
19	3
20	1
21	0
22	1
23	544
24	1900
25	268
26	5
27	1
28	0
29	1
30	7983
31	184550
32	73028
33	1239
34	11
35	1
36	0
37	1
38	144970
39	29724388
40	57835569
41	2448599
42	7278
43	13
44	1
45	0
46	1
47	3097825
48	7137090958
49	99940181999
50	16550232235
51	75497242
52	40828
53	19
54	1

[1, 1, 1, 0, 1, 1, 0, 1, 1, 1, 0, 1, 6, 3, 1, 0, 1, 46, 42, 3, 1, 0, 1, 544, 1900, 268, 5, 1, 0, 1, 7983, 184550, 73028, 1239, 11, 1, 0, 1, 144970, 29724388, 57835569, 2448599, 7278, 13, 1, 0, 1, 3097825, 7137090958, 99940181999, 16550232235, 75497242, 40828, 19, 1]

cp's OEIS Frontend

A331570 Array read by antidiagonals: A(n,k) is the number of nonnegative integer matrices with k distinct columns and any number of distinct nonzero rows with column sums n and columns in decreasing lexicographic order.

Table of values

List of values