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A234396 Number of (3+2)X(n+2) 0..3 arrays with no increasing sequence of length 3 horizontally or diagonally downwards 1

%I #4 Dec 25 2013 11:16:52

%S 426876528,252617381130,153633836957604,93663449566825996,

%T 57013958581658213102,34696037232530719520210,

%U 21116698962610436430894528,12852396895935651456736863878,7822385658444685379443292123666

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

%C Row 3 of A234393

%H R. H. Hardin, <a href="/A234396/b234396.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..1....0..0..0....0..0..0

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 25 2013

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Last modified July 13 09:52 EDT 2024. Contains 374274 sequences. (Running on oeis4.)