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A222905 Number of nX7 0..3 arrays with no more than floor(nX7/2) elements unequal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..3 order 1
17, 1710, 82020, 21064292, 1616042692, 577820456398, 51666240687220, 19807159813457951, 1817220105168370585, 706854001296049850823, 65258971099531300247508, 25532711765112846282295184 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A222906

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..25

EXAMPLE

Some solutions for n=3

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

..2..0..0..0..0..0..1....0..1..2..0..0..0..0....1..2..0..0..0..0..0

..0..0..0..0..0..0..3....0..1..1..0..0..0..0....3..1..2..0..0..0..0

CROSSREFS

Sequence in context: A227887 A144571 A242228 * A071826 A055414 A156675

Adjacent sequences:  A222902 A222903 A222904 * A222906 A222907 A222908

KEYWORD

nonn

AUTHOR

R. H. Hardin Mar 09 2013

STATUS

approved

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Last modified May 24 18:27 EDT 2022. Contains 354043 sequences. (Running on oeis4.)