A258679 - OEIS

%I #4 Jun 07 2015 09:30:30

%S 1115136,18974736,451647504,10750371856,221012814400,4543718560000,

%T 100604912040000,2227547369610000,47649380267264400,

%U 1019266064026229776,22202539749936066816,483635027933987475456,10438893202415728548096

%N Number of (n+2)X(6+2) 0..1 arrays with no 3x3 subblock diagonal sum equal to the antidiagonal sum

%C Column 6 of A258681

%H R. H. Hardin, <a href="/A258679/b258679.txt">Table of n, a(n) for n = 1..27</a>

%e Some solutions for n=1

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

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

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

%Y Cf. A258681

%K nonn

%O 1,1

%A _R. H. Hardin_, Jun 07 2015