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A234449 Number of (n+1)X(6+1) 0..4 arrays with every 2X2 subblock having its diagonal sum differing from its antidiagonal sum by 1 (constant stress 1X1 tilings) 1

%I

%S 3137920,170001402,10079824144,627437990794,39720806964788,

%T 2548197407150290,163772796220260584,10589006000192373618,

%U 683462930964952700304,44310666343515542796718,2864896872318574609384464

%N Number of (n+1)X(6+1) 0..4 arrays with every 2X2 subblock having its diagonal sum differing from its antidiagonal sum by 1 (constant stress 1X1 tilings)

%C Column 6 of A234450

%H R. H. Hardin, <a href="/A234449/b234449.txt">Table of n, a(n) for n = 1..20</a>

%e Some solutions for n=1

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 26 2013

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Last modified October 13 21:59 EDT 2019. Contains 327981 sequences. (Running on oeis4.)