A281797 - cp's OEIS frontend

A281797 Number of nX3 0..1 arrays with no element unequal to a strict majority of its horizontal, diagonal and antidiagonal neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards.

n	a(n)
1	0
2	6
3	75
4	324
5	865
6	2272
7	5191
8	11141
9	22705
10	44611
11	85366
12	160212
13	296306
14	541784
15	981579
16	1764938
17	3153155
18	5602160
19	9905073
20	17437719
21	30580597
22	53442733
23	93101164
24	161719796
25	280165812
26	484172898
27	834830159
28	1436409132
29	2466624753

[0, 6, 75, 324, 865, 2272, 5191, 11141, 22705, 44611, 85366, 160212, 296306, 541784, 981579, 1764938, 3153155, 5602160, 9905073, 17437719, 30580597, 53442733, 93101164, 161719796, 280165812, 484172898, 834830159, 1436409132, 2466624753]

cp's OEIS Frontend

A281797 Number of nX3 0..1 arrays with no element unequal to a strict majority of its horizontal, diagonal and antidiagonal neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards.

Table of values

List of values