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A253033 Number of (n+2)X(5+2) 0..2 arrays with every consecutive three elements in every row and column having exactly two distinct values, and new values 0 upwards introduced in row major order 1

%I

%S 280233,6320511,141199416,3170197872,71502727077,1612681662123,

%T 36393871038174,821666746221570,18551746124013303,418896908677057743,

%U 9459087305908770567,213597396514103936859,4823329436646358186647

%N Number of (n+2)X(5+2) 0..2 arrays with every consecutive three elements in every row and column having exactly two distinct values, and new values 0 upwards introduced in row major order

%C Column 5 of A253035

%H R. H. Hardin, <a href="/A253033/b253033.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=1

%e ..0..0..1..0..1..1..2....0..0..1..0..0..2..2....0..0..1..0..0..1..0

%e ..0..0..2..0..2..0..2....1..2..1..2..2..1..2....2..2..1..2..1..2..1

%e ..1..2..2..1..1..0..0....0..0..2..0..2..2..1....2..0..2..0..0..2..0

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 26 2014

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Last modified November 28 03:29 EST 2021. Contains 349400 sequences. (Running on oeis4.)