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A235302 Number of (n+1) X (n+1) 0..5 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 6 (constant-stress 1 X 1 tilings). 0

%I #7 Jun 18 2022 23:20:02

%S 70,518,2118,10790,38182,168998,568902,2360486,7845670,31545638,

%T 105340998,417228710

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

%C Diagonal of A235310.

%e Some solutions for n=5:

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

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Jan 05 2014

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Last modified May 4 02:11 EDT 2024. Contains 372225 sequences. (Running on oeis4.)