A343875 - cp's OEIS frontend

A343875 Array read by antidiagonals: T(n,k) is the number of n X n nonnegative integer matrices with sum of elements equal to k, up to rotations and reflections.

n	a(n)
0	1
1	0
2	1
3	0
4	1
5	1
6	0
7	1
8	1
9	1
10	0
11	1
12	3
13	3
14	1
15	0
16	1
17	4
18	11
19	3
20	1
21	0
22	1
23	8
24	31
25	24
26	6
27	1
28	0
29	1
30	10
31	84
32	113
33	55
34	6
35	1
36	0
37	1
38	16
39	198
40	528
41	410
42	99
43	10
44	1
45	0
46	1
47	20
48	440
49	2003
50	2710
51	1091
52	181
53	10
54	1
55	0
56	1
57	29
58	904
59	6968
60	15233
61	10488
62	2722
63	288
64	15
65	1
66	0
67	1
68	35
69	1766
70	21593
71	75258
72	82704
73	34399
74	5806
75	461
76	15
77	1

[1, 0, 1, 0, 1, 1, 0, 1, 1, 1, 0, 1, 3, 3, 1, 0, 1, 4, 11, 3, 1, 0, 1, 8, 31, 24, 6, 1, 0, 1, 10, 84, 113, 55, 6, 1, 0, 1, 16, 198, 528, 410, 99, 10, 1, 0, 1, 20, 440, 2003, 2710, 1091, 181, 10, 1, 0, 1, 29, 904, 6968, 15233, 10488, 2722, 288, 15, 1, 0, 1, 35, 1766, 21593, 75258, 82704, 34399, 5806, 461, 15, 1]

cp's OEIS Frontend

A343875 Array read by antidiagonals: T(n,k) is the number of n X n nonnegative integer matrices with sum of elements equal to k, up to rotations and reflections.

Table of values

List of values