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A203333 Number of nX3 0..5 arrays with every nonzero element less than or equal to at least two horizontal and vertical neighbors 1

%I

%S 1,36,1311,27056,532547,12872510,327579980,8009744714,193577903773,

%T 4737630434523,116753918774537,2874720279855525,70727573042967301,

%U 1741732763961365190,42927969047213245402,1058288844307696250301

%N Number of nX3 0..5 arrays with every nonzero element less than or equal to at least two horizontal and vertical neighbors

%C Column 3 of A203338

%H R. H. Hardin, <a href="/A203333/b203333.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=4

%e ..2..4..4....4..4..2....5..5..1....2..2..2....5..5..0....2..3..3....1..1..1

%e ..3..5..5....4..4..2....5..5..1....2..1..2....5..5..3....5..5..4....2..2..1

%e ..5..5..5....1..5..5....3..3..1....5..5..4....3..5..5....5..5..4....2..3..3

%e ..5..5..1....0..5..5....0..1..1....5..5..4....0..5..5....1..4..4....0..3..3

%K nonn

%O 1,2

%A _R. H. Hardin_ Dec 31 2011

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Last modified April 14 12:11 EDT 2021. Contains 342949 sequences. (Running on oeis4.)