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A205262 Number of (n+2)X8 0..1 arrays with every 3X3 subblock having three equal elements in a row horizontally, vertically, diagonally or antidiagonally, and new values 0..1 introduced in row major order 1

%I #5 Mar 31 2012 12:37:05

%S 5946280,1148637735,224000986714,43501020707845,8445646803772751,

%T 1640204498026982975,318538318082592159576,61860847087024955419316,

%U 12013539725299430493108650,2333064379555672871460240498

%N Number of (n+2)X8 0..1 arrays with every 3X3 subblock having three equal elements in a row horizontally, vertically, diagonally or antidiagonally, and new values 0..1 introduced in row major order

%C Column 6 of A205264

%H R. H. Hardin, <a href="/A205262/b205262.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=2

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Jan 24 2012

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Last modified April 26 07:58 EDT 2024. Contains 371991 sequences. (Running on oeis4.)