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Number of (n+1)X(n+1) 0..5 arrays with every 2X2 subblock having equal diagonal elements or equal antidiagonal elements
0

%I #5 Mar 31 2012 12:37:00

%S 396,106596,140120856,1012872412476,41849462653189056,

%T 10145256726122341001496

%N Number of (n+1)X(n+1) 0..5 arrays with every 2X2 subblock having equal diagonal elements or equal antidiagonal elements

%C Diagonal of A203934

%e Some solutions for n=4

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Jan 08 2012