A280158 - cp's OEIS frontend

A280158 Number of nX5 0..1 arrays with no element unequal to a strict majority of its horizontal, vertical and antidiagonal neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards.

n	a(n)
1	5
2	40
3	305
4	1854
5	10677
6	58852
7	318220
8	1695030
9	8941285
10	46760710
11	242970442
12	1255597078
13	6458360287
14	33085037590
15	168885713050
16	859370947890
17	4360537440625
18	22069557056618
19	111441207638795
20	561547964534696

[5, 40, 305, 1854, 10677, 58852, 318220, 1695030, 8941285, 46760710, 242970442, 1255597078, 6458360287, 33085037590, 168885713050, 859370947890, 4360537440625, 22069557056618, 111441207638795, 561547964534696]

cp's OEIS Frontend

A280158 Number of nX5 0..1 arrays with no element unequal to a strict majority of its horizontal, vertical 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