A281761 - cp's OEIS frontend

A281761 Number of nX4 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	2
2	40
3	152
4	560
5	1872
6	5948
7	18358
8	55048
9	162120
10	471340
11	1355236
12	3862260
13	10924470
14	30702868
15	85814996
16	238711156
17	661252798
18	1824976204
19	5020176620
20	13769014596
21	37664818800
22	102784444960
23	279880084494
24	760592396664

[2, 40, 152, 560, 1872, 5948, 18358, 55048, 162120, 471340, 1355236, 3862260, 10924470, 30702868, 85814996, 238711156, 661252798, 1824976204, 5020176620, 13769014596, 37664818800, 102784444960, 279880084494, 760592396664]

cp's OEIS Frontend

A281761 Number of nX4 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