A256069 - cp's OEIS frontend

A256069 Number T(n,k) of inequivalent n X n matrices with entry set {1,...,k}, where equivalence means permutations of rows or columns; triangle T(n,k), n>=0, 0<=k<=n, read by rows.

n	a(n)
0	1
1	0
2	1
3	0
4	1
5	5
6	0
7	1
8	34
9	633
10	0
11	1
12	315
13	89544
14	7520386
15	0
16	1
17	5622
18	64780113
19	79587235420
20	20435529209470
21	0
22	1
23	251608
24	302752112913
25	9177112514843320
26	28079504654455279395
27	19740907671252532135134

[1, 0, 1, 0, 1, 5, 0, 1, 34, 633, 0, 1, 315, 89544, 7520386, 0, 1, 5622, 64780113, 79587235420, 20435529209470, 0, 1, 251608, 302752112913, 9177112514843320, 28079504654455279395, 19740907671252532135134]

cp's OEIS Frontend

A256069 Number T(n,k) of inequivalent n X n matrices with entry set {1,...,k}, where equivalence means permutations of rows or columns; triangle T(n,k), n>=0, 0<=k<=n, read by rows.

Table of values

List of values