A263797 - cp's OEIS frontend

A263797 Number of (n+1) X (6+1) 0..1 arrays with each row and column divisible by 3, read as a binary number with top and left being the most significant bits, and rows and columns lexicographically nonincreasing.

n	a(n)
1	4
2	4
3	14
4	18
5	130
6	616
7	4991
8	30130
9	185795
10	1022105
11	5241463
12	25403916
13	113461481
14	487306269
15	1945016957
16	7506601812
17	27247184895
18	95846215581
19	320539609724
20	1040469247149
21	3239110764205
22	9802122015937
23	28643481268593
24	81494869102471

[4, 4, 14, 18, 130, 616, 4991, 30130, 185795, 1022105, 5241463, 25403916, 113461481, 487306269, 1945016957, 7506601812, 27247184895, 95846215581, 320539609724, 1040469247149, 3239110764205, 9802122015937, 28643481268593, 81494869102471]

cp's OEIS Frontend

A263797 Number of (n+1) X (6+1) 0..1 arrays with each row and column divisible by 3, read as a binary number with top and left being the most significant bits, and rows and columns lexicographically nonincreasing.

Table of values

List of values