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A205284 Number of 5X(n+1) 0..3 arrays with 2X2 subblock determinants differing from horizontal neighbors and permanents differing from vertical neighbors 0

%I #4 Mar 31 2012 12:37:05

%S 484930,175224700,65106769738,23973193183186,8815623014830318,

%T 3244606848542957310,1193843450285095672432,439301798787484703151016,

%U 161648322587488088961092694,59481484187637405404114488284

%N Number of 5X(n+1) 0..3 arrays with 2X2 subblock determinants differing from horizontal neighbors and permanents differing from vertical neighbors

%C Row 4 of A205281

%e Some solutions for n=4

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Jan 24 2012

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Last modified April 19 21:09 EDT 2024. Contains 371798 sequences. (Running on oeis4.)