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A253739 Number of (n+2)X(7+2) 0..1 arrays with every 2X2 and 3X3 subblock diagonal sum minus antidiagonal sum unequal to its neighbors horizontally and vertically 1

%I #4 Jan 11 2015 08:08:00

%S 222820,148328,243796,922004,3230352,11094376,40265740,158864740,

%T 622829668,2349461712,8925387720,34829656816,135741728872,

%U 519828704980,1994445578168,7734803041588,30010818872708,115433535492588

%N Number of (n+2)X(7+2) 0..1 arrays with every 2X2 and 3X3 subblock diagonal sum minus antidiagonal sum unequal to its neighbors horizontally and vertically

%C Column 7 of A253740

%H R. H. Hardin, <a href="/A253739/b253739.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=1

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Jan 11 2015

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Last modified February 28 02:26 EST 2024. Contains 370379 sequences. (Running on oeis4.)