A205282 - OEIS

%I #5 Mar 31 2012 12:37:05

%S 3184,131918,5557912,233119498,9769758666,409681200668,17175724387528,

%T 720128901237814,30192485824753436,1265870165015205340,

%U 53073656509181496336,2225199630716712847004,93295117120362529687400

%N Number of 3X(n+1) 0..3 arrays with 2X2 subblock determinants differing from horizontal neighbors and permanents differing from vertical neighbors

%C Row 2 of A205281

%H R. H. Hardin, <a href="/A205282/b205282.txt">Table of n, a(n) for n = 1..32</a>

%e Some solutions for n=4

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Jan 24 2012