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A237934 Number of (n+1)X(4+1) 0..3 arrays with the upper median plus the lower median minus the minimum of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one 1

%I

%S 81402,2744048,94068938,3422869862,120261272346,4232660312790,

%T 149839687112404,5374881900028516,190148789948171974,

%U 6721705698951447792,238540040050401540444,8504061339612849316530,301419635279288041707710

%N Number of (n+1)X(4+1) 0..3 arrays with the upper median plus the lower median minus the minimum of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one

%C Column 4 of A237936

%H R. H. Hardin, <a href="/A237934/b237934.txt">Table of n, a(n) for n = 1..57</a>

%e Some solutions for n=1

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Feb 16 2014

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Last modified February 3 07:33 EST 2023. Contains 360024 sequences. (Running on oeis4.)