A205179 - OEIS

%I #4 Mar 31 2012 12:37:05

%S 8458978,6934715463,3518676186849,1450722933612883,542569301045830422

%N Number of (n+1)X7 0..3 arrays with the permanents of 2X2 subblocks nondecreasing rightwards and downwards

%C Column 6 of A205181

%e Some solutions for n=4

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Jan 22 2012