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A220924

Majority value maps: number of 3 X n binary arrays indicating the locations of corresponding elements equal to at least half of their horizontal, diagonal and antidiagonal neighbors in a random 0..2 3 X n array.

1, 35, 324, 2874, 23519, 189300, 1518325, 12108564, 96462722, 767444203, 6103182056, 48518471669, 385655300194, 3065114816680, 24359921393810, 193594157479808, 1538519483815008, 12226723695041600, 97166262202404105

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,2

COMMENTS

Row 3 of A220922.

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..78

EXAMPLE

Some solutions for n=3

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

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

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