login

Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.

Number of (n+1)X(6+1) 0..3 arrays with no element unequal to a strict majority of its horizontal and antidiagonal neighbors, with values 0..3 introduced in row major order
1

%I #4 Nov 09 2013 06:50:36

%S 24,647,38713,2308095,144109697,9081622778,572792301557,

%T 36148438185936,2281891799253071,144055012148018656,

%U 9094276648961299832,574129604207139671593,36245355212265636529958,2288205197348685192221188

%N Number of (n+1)X(6+1) 0..3 arrays with no element unequal to a strict majority of its horizontal and antidiagonal neighbors, with values 0..3 introduced in row major order

%C Column 6 of A231451

%H R. H. Hardin, <a href="/A231449/b231449.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=2

%e ..0..0..1..1..2..2..3....0..0..0..0..0..0..0....0..0..0..0..0..0..1

%e ..0..1..1..2..2..3..3....1..1..0..0..0..0..0....2..2..2..0..0..1..1

%e ..1..1..2..2..3..3..3....1..1..1..1..1..1..1....2..2..2..2..2..2..2

%K nonn

%O 1,1

%A _R. H. Hardin_, Nov 09 2013