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A219424 Unchanging value maps: number of 4Xn binary arrays indicating the locations of corresponding elements unequal to no horizontal or antidiagonal neighbor in a random 0..2 4Xn array 0

%I

%S 1,65,436,3617,28154,218838,1709703,13384389,104853209,820979848,

%T 6427053212,50316786006,393951173336,3084409493138,24148717621856,

%U 189066773722441,1480260894360447,11589420628440440

%N Unchanging value maps: number of 4Xn binary arrays indicating the locations of corresponding elements unequal to no horizontal or antidiagonal neighbor in a random 0..2 4Xn array

%C Row 4 of A219421

%e Some solutions for n=3

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

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

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

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

%K nonn

%O 1,2

%A _R. H. Hardin_ Nov 19 2012

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Last modified May 30 15:21 EDT 2020. Contains 334726 sequences. (Running on oeis4.)