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A222499 Number of nX7 0..3 arrays with exactly floor(nX7/2) elements unequal to at least one horizontal, diagonal or antidiagonal neighbor, with new values introduced in row major 0..3 order 0

%I #3 Feb 23 2013 07:02:55

%S 10,196,3964,524135,15602065,2414051256,126014950356,30034440049509,

%T 1972681885257856,533461955577978046,36293583914174844164

%N Number of nX7 0..3 arrays with exactly floor(nX7/2) elements unequal to at least one horizontal, diagonal or antidiagonal neighbor, with new values introduced in row major 0..3 order

%C Column 7 of A222500

%e Some solutions for n=3

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Feb 23 2013

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Last modified July 15 03:33 EDT 2024. Contains 374324 sequences. (Running on oeis4.)