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A237386 Number of (n+1)X(2+1) 0..2 arrays colored with the maximum plus the upper median minus the minimum of every 2X2 subblock.

%I A237386 #7 Jul 23 2025 10:08:40
%S A237386 434,3240,24340,183764,1379886,10406596,78612538,593121116,4469323758,
%T A237386 33698637958,254212599808,1917348305880,14457809113682,
%U A237386 109028076862576,822269791408032,6201236835251186,46765472722995182,352677245924001228
%N A237386 Number of (n+1)X(2+1) 0..2 arrays colored with the maximum plus the upper median minus the minimum of every 2X2 subblock.
%C A237386 Column 2 of A237391
%H A237386 R. H. Hardin, <a href="/A237386/b237386.txt">Table of n, a(n) for n = 1..210</a>
%H A237386 R. H. Hardin, <a href="/A237386/a237386.txt">Empirical recurrence of order 58</a>
%F A237386 Empirical recurrence of order 58 (see link above)
%e A237386 Some solutions for n=4
%e A237386 ..0..0..0....0..2..2....0..2..2....1..1..1....0..2..2....0..2..2....0..2..1
%e A237386 ..2..1..1....1..1..0....1..1..0....0..0..2....2..1..2....0..2..2....0..0..0
%e A237386 ..1..1..1....0..0..0....1..0..0....0..0..2....1..2..0....0..0..0....0..0..2
%e A237386 ..1..1..2....0..1..2....0..0..0....0..1..1....1..1..1....1..0..0....2..0..1
%e A237386 ..0..2..0....2..1..1....2..1..0....2..1..0....1..1..2....1..2..2....1..1..0
%K A237386 nonn
%O A237386 1,1
%A A237386 _R. H. Hardin_, Feb 07 2014