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A223018 Number of 7Xn 0..1 arrays with no more than floor(7Xn/2) elements unequal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..1 order 1
64, 1044, 14040, 360347, 4804753, 145478406, 2073830655, 66509093374, 985479740720, 32475865653768, 492376017743531, 16475005198528111, 253520938675980217, 8564078592723045087, 133132956579249054833 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Row 7 of A223012

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..27

EXAMPLE

Some solutions for n=3

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

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

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

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

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

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

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

CROSSREFS

Sequence in context: A230972 A232958 A231952 * A221247 A280603 A301322

Adjacent sequences:  A223015 A223016 A223017 * A223019 A223020 A223021

KEYWORD

nonn

AUTHOR

R. H. Hardin Mar 11 2013

STATUS

approved

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Last modified October 23 01:49 EDT 2020. Contains 337962 sequences. (Running on oeis4.)