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A234384 Number of (4+2)X(n+2) 0..2 arrays with no increasing sequence of length 3 horizontally or diagonally downwards 1

%I #6 Dec 25 2013 10:04:13

%S 183669567,84764693441,39700991817357,18662305835280147,

%T 8769302493268549527,4119486037640399438233,1935168020666190781045953,

%U 909080437851394630392412551,427058495597356512473171616527

%N Number of (4+2)X(n+2) 0..2 arrays with no increasing sequence of length 3 horizontally or diagonally downwards

%C Row 4 of A234380

%H R. H. Hardin, <a href="/A234384/b234384.txt">Table of n, a(n) for n = 1..210</a>

%e Some.solutions.for.n=1

%e ..0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0

%e ..0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 25 2013

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Last modified May 29 17:30 EDT 2023. Contains 363042 sequences. (Running on oeis4.)