A283500 - cp's OEIS frontend

A283500 Triangle read by rows: T(n,k) = number of n X n (0,1) matrices with at most k 1's in each row or column.

n	a(n)
1	2
2	7
3	16
4	34
5	265
6	512
7	209
8	7343
9	41503
10	65536
11	1546
12	304186
13	6474726
14	24997921
15	33554432
16	13327
17	17525812
18	1709852332
19	21252557377
20	57366997447
21	68719476736
22	130922
23	1336221251
24	702998475376
25	34215495252681
26	252540841305558
27	505874809287625

[2, 7, 16, 34, 265, 512, 209, 7343, 41503, 65536, 1546, 304186, 6474726, 24997921, 33554432, 13327, 17525812, 1709852332, 21252557377, 57366997447, 68719476736, 130922, 1336221251, 702998475376, 34215495252681, 252540841305558, 505874809287625]

cp's OEIS Frontend

A283500 Triangle read by rows: T(n,k) = number of n X n (0,1) matrices with at most k 1's in each row or column.

Table of values

List of values