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A204349 Number of (n+2)X8 0..3 arrays with no 3X3 subblock having three equal diagonal elements or three equal antidiagonal elements, and new values 0..3 introduced in row major order 0

%I #4 Mar 31 2012 12:37:01

%S 5407387617220,186677705463298720,6313899655904879255175,

%T 214143463182606762676673040,7261165826937524787547644589200,

%U 246208690739288821726563895377926727

%N Number of (n+2)X8 0..3 arrays with no 3X3 subblock having three equal diagonal elements or three equal antidiagonal elements, and new values 0..3 introduced in row major order

%C Column 6 of A204351

%e Some solutions for n=2

%e ..0..1..2..1..1..0..0..1....0..1..1..2..2..0..1..3....0..0..0..0..0..0..0..0

%e ..0..3..2..1..1..0..0..3....1..3..1..0..3..3..3..2....0..1..0..2..0..1..0..2

%e ..1..3..0..1..1..2..3..2....1..3..2..2..2..2..3..2....0..1..2..1..3..1..0..1

%e ..2..1..2..3..3..2..3..2....2..3..1..1..2..1..1..2....3..3..1..0..1..1..2..2

%K nonn

%O 1,1

%A _R. H. Hardin_ Jan 14 2012

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Last modified September 13 00:40 EDT 2024. Contains 375857 sequences. (Running on oeis4.)