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A235106 Number of (n+1)X(7+1) 0..6 arrays with every 2X2 subblock having its diagonal sum differing from its antidiagonal sum by 4, with no adjacent elements equal (constant stress tilted 1X1 tilings) 0

%I

%S 1025770,2047890,4256548,9680994,22754394,57035088,147069470,

%T 398750942,1109052788,3214407394,9538239362,29310492288,92087563578,

%U 298251455546,986587292812,3352471090498

%N Number of (n+1)X(7+1) 0..6 arrays with every 2X2 subblock having its diagonal sum differing from its antidiagonal sum by 4, with no adjacent elements equal (constant stress tilted 1X1 tilings)

%C Column 7 of A235107

%e Some solutions for n=1

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Jan 03 2014

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Last modified November 27 18:22 EST 2020. Contains 338683 sequences. (Running on oeis4.)