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A186126 Number of (n+1)X8 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 1

%I #5 Mar 31 2012 12:36:04

%S 298,5214,34678,350266,2915982,29491822,264173146,2630528360,

%T 24515504568,241032804442,2294311413454,22390251063942,

%U 215298723003602,2093763781095758,20224956581082238,196384193909326548

%N Number of (n+1)X8 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 Column 7 of A186128

%H R. H. Hardin, <a href="/A186126/b186126.txt">Table of n, a(n) for n = 1..82</a>

%e Some solutions for 3X8

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Feb 13 2011

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Last modified April 23 15:20 EDT 2024. Contains 371916 sequences. (Running on oeis4.)