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A234656 Number of (n+1) X (6+1) 0..5 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 4 (constant-stress 1 X 1 tilings). 0

%I #5 Jun 20 2022 00:14:29

%S 315008,593048,1148176,2646344,6250544,16899896,46510768,142026104,

%T 438922928,1476803288,5004415216,18237578744,66608595824,259192810136

%N Number of (n+1) X (6+1) 0..5 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 4 (constant-stress 1 X 1 tilings).

%e Some solutions for n=1:

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

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

%Y Column 6 of A234658.

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 29 2013

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Last modified April 26 21:53 EDT 2024. Contains 372004 sequences. (Running on oeis4.)