A265089 - cp's OEIS frontend

A265089 T(n,k)=Number of nXk arrays containing k copies of 0..n-1 with row sums equal and column sums equal.

n	a(n)
1	1
2	1
3	0
4	1
5	2
6	0
7	1
8	0
9	6
10	0
11	1
12	6
13	12
14	24
15	0
16	1
17	0
18	90
19	0
20	120
21	0
22	1
23	20
24	360
25	4464
26	1080
27	720
28	0
29	1
30	0
31	2040
32	0
33	493920
34	0
35	6300
36	0
37	1
38	70
39	10080
40	2850360
41	75502080
42	128269440
43	3135720
44	45360
45	0
46	1
47	0
48	54810
49	0
50	16074373800
51	0
52	57943903500
53	0
54	589680
55	0
56	1
57	252

[1, 1, 0, 1, 2, 0, 1, 0, 6, 0, 1, 6, 12, 24, 0, 1, 0, 90, 0, 120, 0, 1, 20, 360, 4464, 1080, 720, 0, 1, 0, 2040, 0, 493920, 0, 6300, 0, 1, 70, 10080, 2850360, 75502080, 128269440, 3135720, 45360, 0, 1, 0, 54810, 0, 16074373800, 0, 57943903500, 0, 589680, 0, 1, 252]

cp's OEIS Frontend

A265089 T(n,k)=Number of nXk arrays containing k copies of 0..n-1 with row sums equal and column sums equal.

Table of values

List of values