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A252626 Number of (n+2)X(4+2) 0..3 arrays with no row, column, diagonal or antidiagonal in any 3X3 subblock summing to 1 3 6 or 8 1

%I #4 Dec 19 2014 10:50:48

%S 405044,5013608,118551272,2894745288,72359809802,1811913699224,

%T 45371704729062,1137317580721148,28509333379628144,714577961821004794,

%U 17911976379170153868,448990730607000485512,11254523930303304555260

%N Number of (n+2)X(4+2) 0..3 arrays with no row, column, diagonal or antidiagonal in any 3X3 subblock summing to 1 3 6 or 8

%C Column 4 of A252628

%H R. H. Hardin, <a href="/A252626/b252626.txt">Table of n, a(n) for n = 1..106</a>

%e Some solutions for n=1

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 19 2014

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Last modified April 19 14:10 EDT 2024. Contains 371792 sequences. (Running on oeis4.)