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A235025 Number of (n+1) X (7+1) 0..5 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 3, with no adjacent elements equal (constant-stress tilted 1 X 1 tilings). 1

%I #6 Jun 19 2022 23:32:20

%S 252032,738516,2152744,6442252,19332816,58903452,180093160,557393032,

%T 1730627064,5432005844,17096132520,54343145508,173136349816,

%U 556684686328,1793375906536,5826684356844,18962093125600,62198608121156

%N Number of (n+1) X (7+1) 0..5 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 3, with no adjacent elements equal (constant-stress tilted 1 X 1 tilings).

%H R. H. Hardin, <a href="/A235025/b235025.txt">Table of n, a(n) for n = 1..29</a>

%e Some solutions for n=1:

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

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

%Y Column 7 of A235026.

%K nonn

%O 1,1

%A _R. H. Hardin_, Jan 02 2014

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