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A223014 Number of 3Xn 0..1 arrays with no more than floor(3Xn/2) elements unequal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..1 order 1

%I

%S 4,10,24,117,284,1673,4429,26552,72934,442065,1235006,7532763,

%T 21256771,130255369,370176224,2276294040,6503070384,40098304454,

%U 115024311048,710794645074,2045650165772,12663624563666,36543679573017

%N Number of 3Xn 0..1 arrays with no more than floor(3Xn/2) elements unequal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..1 order

%C Row 3 of A223012

%H R. H. Hardin, <a href="/A223014/b223014.txt">Table of n, a(n) for n = 1..48</a>

%e Some solutions for n=3

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Mar 11 2013

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Last modified June 25 13:19 EDT 2022. Contains 354851 sequences. (Running on oeis4.)