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Number of (n+1)X(6+1) 0..2 arrays with the maximum plus the upper median plus the lower median plus the minimum of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one.
1

%I #6 Jul 23 2025 10:07:23

%S 53760,393456,3049632,27053348,234383800,2025855560,17548046424,

%T 155695765032,1358174204976,11752247409536,102066414659576,

%U 907457040604924,7927360821437288,68639199462554376,596728125581641856

%N Number of (n+1)X(6+1) 0..2 arrays with the maximum plus the upper median plus the lower median plus the minimum of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one.

%C Column 6 of A237375

%H R. H. Hardin, <a href="/A237373/b237373.txt">Table of n, a(n) for n = 1..29</a>

%e Some solutions for n=1

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Feb 07 2014