A318951 - cp's OEIS frontend

A318951 Array read by rows: T(n,k) is the number of nonisomorphic n X n matrices with nonnegative integer entries and row sums k under row and column permutations, (n >= 1, k >= 0).

n	a(n)
1	1
2	1
3	1
4	1
5	2
6	1
7	1
8	4
9	3
10	1
11	1
12	6
13	14
14	5
15	1
16	1
17	9
18	44
19	53
20	7
21	1
22	1
23	12
24	129
25	458
26	198
27	11
28	1
29	1
30	16
31	316
32	3411
33	5929
34	782
35	15
36	1
37	1
38	20
39	714
40	19865
41	145168
42	96073
43	3111
44	22
45	1
46	1
47	25
48	1452
49	95214
50	2459994
51	9283247
52	1863594
53	12789
54	30
55	1
56	1
57	30
58	2775
59	383714
60	30170387
61	537001197
62	833593500
63	42430061
64	53836
65	42
66	1

[1, 1, 1, 1, 2, 1, 1, 4, 3, 1, 1, 6, 14, 5, 1, 1, 9, 44, 53, 7, 1, 1, 12, 129, 458, 198, 11, 1, 1, 16, 316, 3411, 5929, 782, 15, 1, 1, 20, 714, 19865, 145168, 96073, 3111, 22, 1, 1, 25, 1452, 95214, 2459994, 9283247, 1863594, 12789, 30, 1, 1, 30, 2775, 383714, 30170387, 537001197, 833593500, 42430061, 53836, 42, 1]

cp's OEIS Frontend

A318951 Array read by rows: T(n,k) is the number of nonisomorphic n X n matrices with nonnegative integer entries and row sums k under row and column permutations, (n >= 1, k >= 0).

Table of values

List of values