A362174 - cp's OEIS frontend

A362174 Number of n X n matrices with nonnegative integer entries such that the sum of the elements of each row is equal to the index of that row.

n	a(n)
0	1
1	1
2	6
3	180
4	28000
5	23152500
6	103507455744
7	2532712433771520
8	342315030877028352000
9	257389071045194840814562500
10	1082814493908215083601185600000000
11	25605944807023092680403880661295843852288
12	3416912747607221845915134383073991514372073062400

[1, 1, 6, 180, 28000, 23152500, 103507455744, 2532712433771520, 342315030877028352000, 257389071045194840814562500, 1082814493908215083601185600000000, 25605944807023092680403880661295843852288, 3416912747607221845915134383073991514372073062400]

cp's OEIS Frontend

A362174 Number of n X n matrices with nonnegative integer entries such that the sum of the elements of each row is equal to the index of that row.

Table of values

List of values