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A220389 Majority value maps: number of 4 X n binary arrays indicating the locations of corresponding elements equal to at least half of their horizontal and antidiagonal neighbors in a random 0..1 4 X n array. 1
1, 65, 753, 7462, 96772, 1191846, 14300020, 173237008, 2099827058, 25429907185, 308015025891, 3730748101061, 45187679794622, 547324309089088, 6629322362588949, 80295917106362511, 972563175651344849 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Row 4 of A220386.

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..29

EXAMPLE

Some solutions for n=3

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

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

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

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

CROSSREFS

Cf. A220386.

Sequence in context: A294301 A343508 A116277 * A196634 A196639 A008516

Adjacent sequences: A220386 A220387 A220388 * A220390 A220391 A220392

KEYWORD

nonn

AUTHOR

R. H. Hardin Dec 13 2012

STATUS

approved

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Last modified January 29 19:36 EST 2023. Contains 359926 sequences. (Running on oeis4.)