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

%I #4 Mar 13 2015 13:54:34

%S 1804,9820,65202,408233,2608924,17064206,111505109,730298893,

%T 4797270283,31486421742,206635131614,1357044255580,8913054489558,

%U 58531741918910,384382982272254,2524426603214310,16579200749433316,108882973386998444

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

%C Column 6 of A256029

%H R. H. Hardin, <a href="/A256027/b256027.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=3

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

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

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

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

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

%Y Cf. A256029

%K nonn

%O 1,1

%A _R. H. Hardin_, Mar 13 2015