A222454 - cp's OEIS frontend

A222454 Number of nX6 0..1 arrays with exactly floor(nX6/2) elements unequal to at least one horizontal, vertical or antidiagonal neighbor, with new values introduced in row major 0..1 order.

n	a(n)
1	4
2	23
3	194
4	1722
5	16440
6	161779
7	1752892
8	18608623
9	201223272
10	2201719251
11	24272631638
12	268705232398
13	2985516009592
14	33280348746620
15	371933566446760
16	4165471546299038
17	46738884729278494
18	525315130609406149

[4, 23, 194, 1722, 16440, 161779, 1752892, 18608623, 201223272, 2201719251, 24272631638, 268705232398, 2985516009592, 33280348746620, 371933566446760, 4165471546299038, 46738884729278494, 525315130609406149]

cp's OEIS Frontend

A222454 Number of nX6 0..1 arrays with exactly floor(nX6/2) elements unequal to at least one horizontal, vertical or antidiagonal neighbor, with new values introduced in row major 0..1 order.

Table of values

List of values