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A204966 Number of (n+2)X5 0..1 arrays with every 3X3 subblock having three equal elements in a row horizontally, vertically, diagonally or antidiagonally at least two different ways, and new values 0..1 introduced in row major order 1

%I #5 Mar 31 2012 12:37:04

%S 6086,107004,1858301,31837899,547910909,9424549410,162106684241,

%T 2788440262671,47963836568225,825026652543724,14191301697133930,

%U 244104810511870454,4198851162609132514,72224512960642806018

%N Number of (n+2)X5 0..1 arrays with every 3X3 subblock having three equal elements in a row horizontally, vertically, diagonally or antidiagonally at least two different ways, and new values 0..1 introduced in row major order

%C Column 3 of A204971

%H R. H. Hardin, <a href="/A204966/b204966.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=3

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Jan 21 2012

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Last modified March 19 04:58 EDT 2024. Contains 370952 sequences. (Running on oeis4.)