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A234070 Number of (2+2)X(n+2) 0..3 arrays with no increasing sequence of length 3 horizontally or diagonally downwards 1

%I

%S 11758836,2080660489,357463146593,61295636223137,10484411392439606,

%T 1792961333867967659,306554863282538650963,52412780349441762503332,

%U 8961050495323303553498002,1532074589148145099758664619

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

%C Row 2 of A234068

%H R. H. Hardin, <a href="/A234070/b234070.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..2..0....0..0..1....0..0..1....0..3..0....1..2..1....0..3..3....2..0..1

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 19 2013

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Last modified January 24 04:47 EST 2022. Contains 350534 sequences. (Running on oeis4.)