cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A052371 Triangle T(n,k) of n X n binary matrices with k=0...n^2 ones up to row and column permutations.

Table of values

n a(n)
0 1
1 1
2 1
3 1
4 1
5 3
6 1
7 1
8 1
9 1
10 3
11 6
12 7
13 7
14 6
15 3
16 1
17 1
18 1
19 1
20 3
21 6
22 16
23 21
24 39
25 44
26 55
27 44
28 39
29 21
30 16
31 6
32 3
33 1
34 1
35 1
36 1
37 3
38 6
39 16
40 34
41 69
42 130
43 234
44 367
45 527
46 669
47 755
48 755
49 669
50 527
51 367
52 234
53 130
54 69
55 34
56 16
57 6
58 3
59 1
60 1

List of values

[1, 1, 1, 1, 1, 3, 1, 1, 1, 1, 3, 6, 7, 7, 6, 3, 1, 1, 1, 1, 3, 6, 16, 21, 39, 44, 55, 44, 39, 21, 16, 6, 3, 1, 1, 1, 1, 3, 6, 16, 34, 69, 130, 234, 367, 527, 669, 755, 755, 669, 527, 367, 234, 130, 69, 34, 16, 6, 3, 1, 1]