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A220762 Number of 2Xn arrays of the minimum value of corresponding elements and their horizontal, diagonal or antidiagonal neighbors in a random 0..3 2Xn array.

%I A220762 #6 Jul 23 2025 01:27:25
%S A220762 16,28,268,708,4766,15724,88434,331024,1683150,6777522,32549034,
%T A220762 136712744,635507042,2735089882,12478735816,54465787400,245847114384,
%U A220762 1081768683254,4852872926630,21453251299430,95899957070006
%N A220762 Number of 2Xn arrays of the minimum value of corresponding elements and their horizontal, diagonal or antidiagonal neighbors in a random 0..3 2Xn array.
%C A220762 Row 2 of A220761
%H A220762 R. H. Hardin, <a href="/A220762/b220762.txt">Table of n, a(n) for n = 1..210</a>
%F A220762 Empirical: a(n) = 2*a(n-1) +13*a(n-2) -10*a(n-3) +12*a(n-4) -41*a(n-5) +6*a(n-6) -16*a(n-7) -40*a(n-8) +4*a(n-9) +64*a(n-11) +32*a(n-12)
%e A220762 Some solutions for n=3
%e A220762 ..2..1..2....1..0..3....2..2..2....1..0..3....2..2..2....0..0..0....1..0..0
%e A220762 ..1..1..3....3..0..0....2..2..3....0..0..2....3..2..3....2..0..3....1..0..3
%K A220762 nonn
%O A220762 1,1
%A A220762 _R. H. Hardin_ Dec 19 2012