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%I A234894 #6 Jun 20 2022 18:05:31
%S A234894 16572,115924,743436,5941320,44518632,385262124,3064189932,
%T A234894 27702518548,225962416092,2102864178560,17375211533100,
%U A234894 165422663167944,1377710367593992,13372892400690664,111984980465312848
%N A234894 Number of (n+1) X (4+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 A234894 R. H. Hardin, <a href="/A234894/b234894.txt">Table of n, a(n) for n = 1..199</a>
%e A234894 Some solutions for n=2:
%e A234894   5 6 4 6 4      3 1 4 2 4      5 6 3 4 2      2 5 1 4 3
%e A234894   0 2 1 4 1      5 2 6 3 6      0 2 0 2 1      1 3 0 2 0
%e A234894   4 5 3 5 3      2 0 3 1 5      3 6 5 6 4      3 4 2 5 4
%Y A234894 Column 4 of A234898.
%K A234894 nonn
%O A234894 1,1
%A A234894 _R. H. Hardin_, Jan 01 2014

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