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A203343 Number of nX5 0..4 arrays with every nonzero element less than or equal to at least two horizontal and vertical neighbors 1

%I #5 Mar 31 2012 12:36:56

%S 1,425,142167,23912553,3742207236,643689050030,112737045408576,

%T 19611990609779478,3420412211064805056,598821942388221971705,

%U 104926823302871150129636,18385629169540586971804768

%N Number of nX5 0..4 arrays with every nonzero element less than or equal to at least two horizontal and vertical neighbors

%C Column 5 of A203346

%H R. H. Hardin, <a href="/A203343/b203343.txt">Table of n, a(n) for n = 1..109</a>

%e Some solutions for n=5

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

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

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

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

%e ..2..2..2..4..4....0..3..4..4..0....4..4..4..4..4....3..3..4..4..4

%K nonn

%O 1,2

%A _R. H. Hardin_ Dec 31 2011

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Last modified February 20 17:43 EST 2024. Contains 370215 sequences. (Running on oeis4.)