A230974 - OEIS

A230974

Number of (n+2)X(5+2) 0..3 arrays x(i,j) with each element diagonally or antidiagonally next to at least one element with value (x(i,j)+1) mod 4, no adjacent elements equal, and upper left element zero

%I #4 Nov 02 2013 06:28:05

%S 1344,85264,3512016,190219264,11094079744,630277210000,35475345905904,

%T 2001432811365376,113064505811596416,6385180086748566544,

%U 360544290706698142960,20359041140793308185600,1149649924018856097170944

%N Number of (n+2)X(5+2) 0..3 arrays x(i,j) with each element diagonally or antidiagonally next to at least one element with value (x(i,j)+1) mod 4, no adjacent elements equal, and upper left element zero

%C Column 5 of A230977

%H R. H. Hardin, <a href="/A230974/b230974.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=1

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Nov 02 2013