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A206194 Number of (n+1)X6 0..3 arrays with the number of clockwise edge increases in every 2X2 subblock equal to two 1

%I #5 Mar 31 2012 12:37:10

%S 559788,108363344,21162670972,4131608458140,806129409968360,

%T 157233431036489148,30663225851582320716,5979459481371854518796,

%U 1165987978329531107899148,227363834100630151941061428

%N Number of (n+1)X6 0..3 arrays with the number of clockwise edge increases in every 2X2 subblock equal to two

%C Column 5 of A206197

%H R. H. Hardin, <a href="/A206194/b206194.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=4

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Feb 04 2012

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Last modified April 25 09:38 EDT 2024. Contains 371967 sequences. (Running on oeis4.)