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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
24, 928, 30766, 1048576, 33358976, 1073741824, 34348186888, 1099436130304 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A220805

LINKS

Table of n, a(n) for n=1..8.

EXAMPLE

Some solutions for n=3

..1..1..1..1..1....0..0..1..1..0....0..0..1..0..1....0..1..0..0..0

..0..0..1..1..1....0..0..0..1..1....0..0..1..1..0....1..0..1..0..1

..0..1..1..0..0....1..1..0..1..0....0..1..0..0..0....1..0..0..0..1

CROSSREFS

Sequence in context: A266997 A001784 A172206 * A220253 A262583 A001866

Adjacent sequences:  A220801 A220802 A220803 * A220805 A220806 A220807

KEYWORD

nonn

AUTHOR

R. H. Hardin Dec 21 2012

STATUS

approved

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Last modified October 2 06:43 EDT 2022. Contains 357191 sequences. (Running on oeis4.)