A222793 - OEIS

A222793

Number of n X 7 0..3 arrays with exactly floor(n X 7/2) elements unequal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..3 order.

10, 1246, 62072, 16057219, 1233338020, 441448848458, 39461160617203, 15128909374723762, 1387613501687392832, 539786227324116371858, 49826407575212876136940, 19496373548379748918470018

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

OFFSET

1,1

COMMENTS

Column 7 of A222794.

LINKS

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

EXAMPLE

Some solutions for n=3:

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

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

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

CROSSREFS

Sequence in context: A287226 A015108 A070065 * A320959 A013367 A013366

Adjacent sequences: A222790 A222791 A222792 * A222794 A222795 A222796

KEYWORD

nonn

AUTHOR

R. H. Hardin, Mar 05 2013

STATUS

approved