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A220804 Sum of neighbor maps: number of nX5 binary arrays indicating the locations of corresponding elements equal to the sum mod 4 of their horizontal and vertical neighbors in a random 0..3 nX5 array 0

%I #3 Dec 21 2012 20:02:39

%S 24,928,30766,1048576,33358976,1073741824,34348186888,1099436130304

%N Sum of neighbor maps: number of nX5 binary arrays indicating the locations of corresponding elements equal to the sum mod 4 of their horizontal and vertical neighbors in a random 0..3 nX5 array

%C Column 5 of A220805

%e Some solutions for n=3

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Dec 21 2012

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Last modified March 29 10:22 EDT 2024. Contains 371268 sequences. (Running on oeis4.)