A225828 - cp's OEIS frontend

A225828 Number of binary pattern classes in the (4,n)-rectangular grid: two patterns are in the same class if one of them can be obtained by a reflection or 180-degree rotation of the other.

n	a(n)
0	1
1	10
2	76
3	1120
4	16576
5	263680
6	4197376
7	67133440
8	1073790976
9	17180262400
10	274878693376
11	4398052802560
12	70368756760576
13	1125900007505920
14	18014398710808576
15	288230377762324480
16	4611686021648613376
17	73786976320608010240
18	1180591620768950910976
19	18889465931890897715200

[1, 10, 76, 1120, 16576, 263680, 4197376, 67133440, 1073790976, 17180262400, 274878693376, 4398052802560, 70368756760576, 1125900007505920, 18014398710808576, 288230377762324480, 4611686021648613376, 73786976320608010240, 1180591620768950910976, 18889465931890897715200]

cp's OEIS Frontend

A225828 Number of binary pattern classes in the (4,n)-rectangular grid: two patterns are in the same class if one of them can be obtained by a reflection or 180-degree rotation of the other.

Table of values

List of values