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 A234895 Number of (n+1) X (5+1) 0..6 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 1, with no adjacent elements equal (constant-stress tilted 1 X 1 tilings). 1

%I #6 Jun 20 2022 18:06:22

%S 76032,625480,4634504,44518632,399820568,4244726408,41268054688,

%T 464573800208,4675921747384,54793760749712,561154961643096,

%U 6789287739457896,70231794681415432,873183797679564924

%N Number of (n+1) X (5+1) 0..6 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 1, with no adjacent elements equal (constant-stress tilted 1 X 1 tilings).

%H R. H. Hardin, <a href="/A234895/b234895.txt">Table of n, a(n) for n = 1..77</a>

%e Some solutions for n=1:

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

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

%Y Column 5 of A234898.

%K nonn

%O 1,1

%A _R. H. Hardin_, Jan 01 2014

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Last modified June 16 16:46 EDT 2024. Contains 373432 sequences. (Running on oeis4.)