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Number of (n+2)X(6+2) 0..1 arrays with no 3x3 subblock diagonal sum 0 and no antidiagonal sum 0 and no row sum 1 and no column sum 1
1

%I #4 Feb 15 2015 09:36:46

%S 5661,59681,706102,8173810,96066842,1141237349,13537915704,

%T 160551042845,1905704039315,22622439606750,268518519877594,

%U 3187316857713166,37834714499375981,449109194649528132,5331039951845197849

%N Number of (n+2)X(6+2) 0..1 arrays with no 3x3 subblock diagonal sum 0 and no antidiagonal sum 0 and no row sum 1 and no column sum 1

%C Column 6 of A255149

%H R. H. Hardin, <a href="/A255147/b255147.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=2

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

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

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

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

%Y Cf. A255149

%K nonn

%O 1,1

%A _R. H. Hardin_, Feb 15 2015