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A233993 Number of (n+1)X(4+1) 0..6 arrays with every 2X2 subblock having the sum of the absolute values of all six edge and diagonal differences equal to 18 1

%I

%S 17156,51026,150572,560408,2021016,9191620,39038268,213791308,

%T 1031265884,6478189956,33941673948,230895962640,1269494065360,

%U 8976203094604,50758367608856,364579538686824,2098173723540476,15134353956170396

%N Number of (n+1)X(4+1) 0..6 arrays with every 2X2 subblock having the sum of the absolute values of all six edge and diagonal differences equal to 18

%C Column 4 of A233997

%H R. H. Hardin, <a href="/A233993/b233993.txt">Table of n, a(n) for n = 1..152</a>

%e Some solutions for n=3

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

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

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

%e ..1..1..6..1..2....6..2..1..0..6....1..0..4..1..0....2..6..1..6..1

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 18 2013

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Last modified February 16 21:37 EST 2020. Contains 331975 sequences. (Running on oeis4.)