A208089 - cp's OEIS frontend

A208089 Number of 8 X (n+1) 0..1 arrays with every 2 X 2 subblock having the same number of equal edges as its horizontal neighbors and a different number from its vertical neighbors, and new values 0..1 introduced in row major order.

n	a(n)
1	216
2	504
3	1206
4	3096
5	7992
6	20862
7	54504
8	142632
9	373302
10	977256
11	2558376
12	6697854
13	17535096
14	45907416
15	120187062
16	314653752
17	823774104
18	2156668542
19	5646231432
20	14782025736
21	38699845686
22	101317511304
23	265252688136
24	694440553086

[216, 504, 1206, 3096, 7992, 20862, 54504, 142632, 373302, 977256, 2558376, 6697854, 17535096, 45907416, 120187062, 314653752, 823774104, 2156668542, 5646231432, 14782025736, 38699845686, 101317511304, 265252688136, 694440553086]

cp's OEIS Frontend

A208089 Number of 8 X (n+1) 0..1 arrays with every 2 X 2 subblock having the same number of equal edges as its horizontal neighbors and a different number from its vertical neighbors, and new values 0..1 introduced in row major order.

Table of values

List of values