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 A252886 Number of (4+2)X(n+2) 0..2 arrays with every consecutive three elements in every row having 2 or 3 distinct values, in every column 1 or 2 distinct values, in every diagonal 2 distinct values, and in every antidiagonal 2 distinct values, and new values 0 upwards introduced in row major order 1

%I

%S 116455,1284278,16537346,225544537,3149891207,44167941250,

%T 621648578727,8763434911242,123590318373434,1744386975870153,

%U 24622988271070758,347580473915148104,4907368094866220731,69285051181963251292

%N Number of (4+2)X(n+2) 0..2 arrays with every consecutive three elements in every row having 2 or 3 distinct values, in every column 1 or 2 distinct values, in every diagonal 2 distinct values, and in every antidiagonal 2 distinct values, and new values 0 upwards introduced in row major order

%C Row 4 of A252882

%H R. H. Hardin, <a href="/A252886/b252886.txt">Table of n, a(n) for n = 1..45</a>

%e Some solutions for n=1

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

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 24 2014

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Last modified October 14 16:48 EDT 2019. Contains 328022 sequences. (Running on oeis4.)