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A209088 Number of nX4 0..3 arrays avoiding the pattern z z+1 z horizontally and z z-1 z vertically 1

%I

%S 232,53824,10347649,1971161340,376488811859,71929610916133,

%T 13741947409424169,2625341010784019740,501560608046590007962,

%U 95821111921567728826717,18306232813135620198547558

%N Number of nX4 0..3 arrays avoiding the pattern z z+1 z horizontally and z z-1 z vertically

%C Column 4 of A209092

%H R. H. Hardin, <a href="/A209088/b209088.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=4

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Mar 05 2012

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Last modified August 13 14:01 EDT 2022. Contains 356091 sequences. (Running on oeis4.)