A343874 - cp's OEIS frontend

A343874 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 rotational symmetry.

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	5
18	13
19	4
20	1
21	0
22	1
23	10
24	43
25	36
26	7
27	1
28	0
29	1
30	14
31	129
32	204
33	85
34	9
35	1
36	0
37	1
38	22
39	327
40	980
41	735
42	171
43	13
44	1
45	0
46	1
47	30
48	761
49	3876
50	5145
51	2109
52	313
53	16
54	1
55	0
56	1
57	43
58	1619
59	13596
60	29715
61	20610
62	5213
63	528
64	21
65	1

[1, 0, 1, 0, 1, 1, 0, 1, 1, 1, 0, 1, 3, 3, 1, 0, 1, 5, 13, 4, 1, 0, 1, 10, 43, 36, 7, 1, 0, 1, 14, 129, 204, 85, 9, 1, 0, 1, 22, 327, 980, 735, 171, 13, 1, 0, 1, 30, 761, 3876, 5145, 2109, 313, 16, 1, 0, 1, 43, 1619, 13596, 29715, 20610, 5213, 528, 21, 1]

cp's OEIS Frontend

A343874 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 rotational symmetry.

Table of values

List of values