A374985 - cp's OEIS frontend

A374985 Array read by antidiagonals: T(n,k) is the number of n X k matrices whose values cover an initial interval of positive integers and whose rows and columns have values which are strictly increasing.

n	a(n)
0	1
1	1
2	1
3	1
4	1
5	1
6	1
7	1
8	1
9	1
10	1
11	1
12	3
13	1
14	1
15	1
16	1
17	11
18	11
19	1
20	1
21	1
22	1
23	45
24	197
25	45
26	1
27	1
28	1
29	1
30	197
31	4593
32	4593
33	197
34	1
35	1
36	1
37	1
38	903
39	126289
40	732963
41	126289
42	903
43	1
44	1
45	1
46	1
47	4279
48	3888343
49	155242003
50	155242003
51	3888343
52	4279
53	1
54	1
55	1
56	1
57	20793
58	130016393
59	40007492715
60	289599115433
61	40007492715
62	130016393
63	20793
64	1
65	1

[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 3, 1, 1, 1, 1, 11, 11, 1, 1, 1, 1, 45, 197, 45, 1, 1, 1, 1, 197, 4593, 4593, 197, 1, 1, 1, 1, 903, 126289, 732963, 126289, 903, 1, 1, 1, 1, 4279, 3888343, 155242003, 155242003, 3888343, 4279, 1, 1, 1, 1, 20793, 130016393, 40007492715, 289599115433, 40007492715, 130016393, 20793, 1, 1]

cp's OEIS Frontend

A374985 Array read by antidiagonals: T(n,k) is the number of n X k matrices whose values cover an initial interval of positive integers and whose rows and columns have values which are strictly increasing.

Table of values

List of values