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A222388 Sum of neighbor maps: number of 3Xn binary arrays indicating the locations of corresponding elements equal to the sum mod 3 of their horizontal and antidiagonal neighbors in a random 0..2 3Xn array 1
8, 64, 512, 3968, 32768, 262144, 2093824, 16776064, 134121152, 1073741824, 8589934592, 68719450112, 549755703296, 4398040219648, 35184371580928, 281474867658752, 2251799813685248, 18014398509481984, 144115184855048192 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Row 3 of A222386

LINKS

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

EXAMPLE

Some solutions for n=3

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

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

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

CROSSREFS

Sequence in context: A262335 A221664 A228981 * A222937 A269618 A269582

Adjacent sequences:  A222385 A222386 A222387 * A222389 A222390 A222391

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 18 2013

STATUS

approved

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Last modified January 25 23:56 EST 2022. Contains 350572 sequences. (Running on oeis4.)