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Number of (n+2)X(5+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 10:51:29

%S 2130874,45094726,1793890764,72359809802,3005077558564,

%T 124596853628274,5165066847889682,214414080897020708,

%U 8901459799186347800,369474414766197606432,15335889466175404541508,636574006019433151326960

%N Number of (n+2)X(5+2) 0..3 arrays with no row, column, diagonal or antidiagonal in any 3X3 subblock summing to 1 3 6 or 8

%C Column 5 of A252628

%H R. H. Hardin, <a href="/A252627/b252627.txt">Table of n, a(n) for n = 1..29</a>

%e Some solutions for n=1

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 19 2014