A233145 - OEIS

A233145

Number of nX6 0..5 arrays with no element x(i,j) adjacent to value 5-x(i,j) horizontally, antidiagonally or vertically, top left element zero, and 1 appearing before 2 3 and 4, and 2 appearing before 3 in row major order

%I #4 Dec 04 2013 17:50:24

%S 452,1158334,3556749764,10976545771938,33888199682535539,

%T 104628720219120084935,323040050513644831673711,

%U 997383803217605432845939113,3079415768120334362937355766441

%N Number of nX6 0..5 arrays with no element x(i,j) adjacent to value 5-x(i,j) horizontally, antidiagonally or vertically, top left element zero, and 1 appearing before 2 3 and 4, and 2 appearing before 3 in row major order

%C Column 6 of A233147

%H R. H. Hardin, <a href="/A233145/b233145.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=2

%e ..0..0..1..2..1..1....0..0..1..2..4..5....0..0..0..1..0..0....0..0..1..1..1..2

%e ..1..0..0..2..5..3....1..1..0..2..4..3....2..1..1..0..3..4....2..1..0..2..0..0

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 04 2013