A281769 - cp's OEIS frontend

A281769 Number of 5Xn 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	38
3	201
4	1872
5	12191
6	85844
7	589990
8	3845590
9	25703392
10	166880128
11	1080273873
12	6965900750
13	44487321221
14	283503705456
15	1797488483677
16	11352536170284
17	71500155029453
18	448832589255878
19	2810514285498993
20	17557109431928644

[0, 38, 201, 1872, 12191, 85844, 589990, 3845590, 25703392, 166880128, 1080273873, 6965900750, 44487321221, 283503705456, 1797488483677, 11352536170284, 71500155029453, 448832589255878, 2810514285498993, 17557109431928644]

cp's OEIS Frontend

A281769 Number of 5Xn 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