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A215903 Number of diagonal and antidiagonal neighbor colorings of the even squares of an nX7 array with new integer colors introduced in row major order 0

%I

%S 15,203,84550,14050312,37060769357,18383354944364,148049909203591059,

%T 152834703746357948488,2765650341438362598776986,

%U 4971673449387903153569761420,170381714096217475684749198312607

%N Number of diagonal and antidiagonal neighbor colorings of the even squares of an nX7 array with new integer colors introduced in row major order

%C Column 7 of A215904

%e Some solutions for n=3

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

%e ..x..4..x..4..x..5..x....x..4..x..5..x..4..x....x..3..x..4..x..5..x

%e ..6..x..6..x..0..x..1....0..x..0..x..0..x..3....6..x..1..x..0..x..2

%K nonn

%O 1,1

%A _R. H. Hardin_ Aug 26 2012

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Last modified October 29 04:54 EDT 2020. Contains 338066 sequences. (Running on oeis4.)