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A219425 Unchanging value maps: number of 5 X n binary arrays indicating the locations of corresponding elements unequal to no horizontal or antidiagonal neighbor in a random 0..2 5 X n array. 1

%I

%S 1,200,2043,28888,372560,4775307,61543422,796901866,10332516216,

%T 133871792745,1733790943515,22454270113272,290832016789657,

%U 3766998295859184,48791165925094356,631950081288077455

%N Unchanging value maps: number of 5 X n binary arrays indicating the locations of corresponding elements unequal to no horizontal or antidiagonal neighbor in a random 0..2 5 X n array.

%C Row 5 of A219421.

%H R. H. Hardin, <a href="/A219425/b219425.txt">Table of n, a(n) for n = 1..28</a>

%e Some solutions for n=3:

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

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

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

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

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

%Y Cf. A219421.

%K nonn

%O 1,2

%A _R. H. Hardin_, Nov 19 2012

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Last modified January 22 16:26 EST 2022. Contains 350483 sequences. (Running on oeis4.)