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A205898 Number of 6X(n+1) 0..2 arrays with 2X2 subblock determinants differing from horizontal neighbors and permanents differing from vertical neighbors 1

%I #5 Mar 31 2012 12:37:07

%S 89630,6120848,464115072,34054078628,2458450081192,179239228643910,

%T 13024964822628220,947261634263619042,68880555520052372106,

%U 5008933161448694459436,364236043373638266557242

%N Number of 6X(n+1) 0..2 arrays with 2X2 subblock determinants differing from horizontal neighbors and permanents differing from vertical neighbors

%C Row 5 of A205894

%H R. H. Hardin, <a href="/A205898/b205898.txt">Table of n, a(n) for n = 1..80</a>

%e Some solutions for n=3

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

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Feb 01 2012

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Last modified April 18 22:18 EDT 2024. Contains 371782 sequences. (Running on oeis4.)