A224973 - OEIS

%I #4 Apr 21 2013 17:57:51

%S 294349,435788333,27297398415,16533408013041,2261199424343729,

%T 848170732137764831,173223628709504650859,53060397309690724953363,

%U 12918833834664718161599715,3660962109269297649761381309

%N Number of (n+1)X7 0..3 matrices with each 2X2 permanent equal

%C Column 6 of A224975

%H R. H. Hardin, <a href="/A224973/b224973.txt">Table of n, a(n) for n = 1..182</a>

%e Some solutions for n=2

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Apr 21 2013