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

%I #4 Dec 11 2014 12:58:52

%S 922890,41025310,2371536636,146613818422,9379424889214,

%T 608058611665734,39605904141383754,2584524088734500856,

%U 168778628082765943410,11024933232341164873992,720248214368222381255664

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

%C Column 4 of A251955

%H R. H. Hardin, <a href="/A251954/b251954.txt">Table of n, a(n) for n = 1..35</a>

%e Some solutions for n=1

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 11 2014