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A203337 Number of nX7 0..5 arrays with every nonzero element less than or equal to at least two horizontal and vertical neighbors 0

%I #4 Mar 31 2012 12:36:56

%S 1,35483,327579980,1066362412766,3356615719680977,12521002071185162318

%N Number of nX7 0..5 arrays with every nonzero element less than or equal to at least two horizontal and vertical neighbors

%C Column 7 of A203338

%e Some solutions for n=4

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

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

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

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

%K nonn

%O 1,2

%A _R. H. Hardin_ Dec 31 2011

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Last modified April 24 03:08 EDT 2024. Contains 371918 sequences. (Running on oeis4.)