cp's OEIS Frontend

A186124 Number of (n+1)X6 binary arrays with every 2X2 subblock diagonal sum less antidiagonal sum equal to some horizontal or vertical neighbor 2X2 subblock diagonal sum less antidiagonal sum.

%I A186124 #7 Jul 22 2025 10:15:31
%S A186124 74,682,2978,17794,90054,539962,2915982,17129792,95854320,556779864,
%T A186124 3165362160,18297969958,104743900094,604164804194,3469208600426,
%U A186124 19989944278608,114949082280552,662041931628544,3809464845425408
%N A186124 Number of (n+1)X6 binary arrays with every 2X2 subblock diagonal sum less antidiagonal sum equal to some horizontal or vertical neighbor 2X2 subblock diagonal sum less antidiagonal sum.
%C A186124 Column 5 of A186128
%H A186124 R. H. Hardin, <a href="/A186124/b186124.txt">Table of n, a(n) for n = 1..200</a>
%e A186124 Some solutions for 3X6
%e A186124 ..1..0..0..0..0..0....1..0..1..1..0..0....1..0..0..1..0..0....0..1..0..1..1..0
%e A186124 ..1..0..0..0..0..0....0..0..0..0..0..0....0..0..0..0..0..0....0..1..0..1..1..0
%e A186124 ..0..0..1..1..1..1....0..1..0..0..1..1....0..1..1..0..1..1....0..1..0..1..1..0
%K A186124 nonn
%O A186124 1,1
%A A186124 _R. H. Hardin_ Feb 13 2011