A281767 - cp's OEIS frontend

A281767 Number of 3Xn 0..1 arrays with no element unequal to a strict majority of its horizontal, diagonal and antidiagonal neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards.

n	a(n)
1	0
2	10
3	47
4	152
5	609
6	2138
7	7466
8	25798
9	87397
10	293470
11	979311
12	3235714
13	10650401
14	34842532
15	113507950
16	368400482
17	1191351902
18	3841448788
19	12352142633
20	39620840414
21	126807886700
22	405026431154
23	1291283976919
24	4109819232304

[0, 10, 47, 152, 609, 2138, 7466, 25798, 87397, 293470, 979311, 3235714, 10650401, 34842532, 113507950, 368400482, 1191351902, 3841448788, 12352142633, 39620840414, 126807886700, 405026431154, 1291283976919, 4109819232304]

cp's OEIS Frontend

A281767 Number of 3Xn 0..1 arrays with no element unequal to a strict majority of its horizontal, diagonal and antidiagonal neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards.

Table of values

List of values