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A238042 Number of (n+1)X(4+1) 0..2 arrays with the upper median minus the lower median of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one 1

%I

%S 6064,61668,621780,6698520,70363916,735878108,7744640808,81468910084,

%T 855621962264,8992624643448,94515770797736,993327648282692,

%U 10439451695451992,109715564203291848,1153058256519031332

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

%C Column 4 of A238046

%H R. H. Hardin, <a href="/A238042/b238042.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=2

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Feb 17 2014

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Last modified May 25 06:43 EDT 2022. Contains 354049 sequences. (Running on oeis4.)