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A233681 Number of (n+1)X(7+1) 0..3 arrays with every 2X2 subblock having the sum of the squares of the edge differences equal to 6 1

%I

%S 116872,3145968,81243904,3057995568,95799636288,3879764059776,

%T 127711201373696,5205568118816384,174889319781646592,

%U 7078287652666770944,240929096530590043904,9661566569156043828736,332270905126450553744128

%N Number of (n+1)X(7+1) 0..3 arrays with every 2X2 subblock having the sum of the squares of the edge differences equal to 6

%C Column 7 of A233682

%H R. H. Hardin, <a href="/A233681/b233681.txt">Table of n, a(n) for n = 1..111</a>

%e Some solutions for n=1

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 14 2013

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Last modified January 27 17:36 EST 2022. Contains 350611 sequences. (Running on oeis4.)