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A205896 Number of 4X(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 2766,61588,1476942,34564494,804426380,18812081142,439162152842,

%T 10255340979304,239487523641844,5592460632273544,130595228874080342,

%U 3049654943682381302,71215458114766556266,1663021423908313463798

%N Number of 4X(n+1) 0..2 arrays with 2X2 subblock determinants differing from horizontal neighbors and permanents differing from vertical neighbors

%C Row 3 of A205894

%H R. H. Hardin, <a href="/A205896/b205896.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=3

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Feb 01 2012

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Last modified April 24 22:17 EDT 2024. Contains 371964 sequences. (Running on oeis4.)