A222799 - OEIS

A222799

Number of 6Xn 0..3 arrays with exactly floor(6Xn/2) elements unequal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..3 order

0, 1883, 92642, 3315998, 163288090, 8113737592, 441448848458, 25312950712971, 1552439861168400, 100407626852665785

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

OFFSET

1,2

COMMENTS

Row 6 of A222794

LINKS

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

EXAMPLE

Some solutions for n=3

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

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

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

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

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

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

CROSSREFS

Sequence in context: A260137 A246478 A237103 * A252111 A259960 A338705

Adjacent sequences: A222796 A222797 A222798 * A222800 A222801 A222802

KEYWORD

nonn

AUTHOR

R. H. Hardin Mar 05 2013

STATUS

approved