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A220251 Sum of neighbor maps: number of nX3 binary arrays indicating the locations of corresponding elements equal to the sum mod 3 of their king-move neighbors in a random 0..2 nX3 array 1
8, 48, 324, 4096, 31744, 262144, 2011776, 16728064, 134217728, 1073741824, 8557195616, 68719476736, 549755813888, 4397962625024, 35175111229440, 281474976710656, 2251796592459776, 18014398509481984, 144112331924652032 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 3 of A220254

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210

EXAMPLE

Some solutions for n=3

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

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

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

CROSSREFS

Sequence in context: A180031 A203799 A095897 * A025013 A215706 A200161

Adjacent sequences:  A220248 A220249 A220250 * A220252 A220253 A220254

KEYWORD

nonn

AUTHOR

R. H. Hardin Dec 08 2012

STATUS

approved

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Last modified September 30 17:27 EDT 2022. Contains 357106 sequences. (Running on oeis4.)