A222911 - OEIS

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A222911

Number of 6Xn 0..3 arrays with no more than floor(6Xn/2) elements unequal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..3 order

187, 2522, 119393, 4320431, 213112150, 10615237672, 577820456398, 33236182725503, 2041367121617874, 132252751824700275

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

OFFSET

1,1

COMMENTS

Row 6 of A222906

LINKS

Table of n, a(n) for n=1..10.

EXAMPLE

Some solutions for n=3

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

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

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

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

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

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

CROSSREFS

Sequence in context: A134163 A030536 A375333 * A143661 A208351 A241333

Adjacent sequences: A222908 A222909 A222910 * A222912 A222913 A222914

KEYWORD

nonn

AUTHOR

R. H. Hardin Mar 09 2013

STATUS

approved