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A207289 Number of nX7 0..3 arrays avoiding the pattern z-2 z-1 z in any row or column 1

%I #5 Mar 31 2012 12:37:16

%S 14124,199487376,2270955601878,26429424077425891,

%T 305856308413400619700,3544370001734720482621378,

%U 41064557653205497965204017422,475795131459683212276243522860158,5512751277877232396333620887048914890

%N Number of nX7 0..3 arrays avoiding the pattern z-2 z-1 z in any row or column

%C Column 7 of A207290

%H R. H. Hardin, <a href="/A207289/b207289.txt">Table of n, a(n) for n = 1..17</a>

%e Some solutions for n=4

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Feb 16 2012

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Last modified July 15 12:56 EDT 2024. Contains 374332 sequences. (Running on oeis4.)