A205043 - OEIS

%I #5 Mar 31 2012 12:37:04

%S 364646,21682734,256406852,10840272796,178237466160,6109962465816,

%T 119606241141244,3639436559236942,78513581756381340,

%U 2235122151403446114,50935010607409039132,1397249105342412157686,32860818042559743292566

%N Number of (n+1)X6 0..6 arrays with the permanents of all 2X2 subblocks equal and nonzero

%C Column 5 of A205046

%H R. H. Hardin, <a href="/A205043/b205043.txt">Table of n, a(n) for n = 1..22</a>

%e Some solutions for n=4

%e ..1..6..6..2..4..2....6..3..2..1..0..1....2..5..1..0..1..6....1..4..1..6..2..3

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

%e ..5..6..6..2..4..2....3..3..2..1..0..1....0..5..0..5..1..6....0..6..0..6..0..6

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

%e ..1..6..6..2..4..2....2..3..2..1..0..1....1..4..1..0..1..5....2..6..2..4..2..6

%K nonn

%O 1,1

%A _R. H. Hardin_ Jan 21 2012