A222798 Number of 5 X n 0..3 arrays with exactly floor(5 X n/2) elements unequal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..3 order.

0, 294, 3800, 137804, 1615706, 88097352, 1233338020, 77485314031, 1250051785173, 88404393282686, 1551023908071694, 114822232823946582, 2076662135229901146, 156103492655199906522

Offset

1,2

Comments

Row 5 of A222794.

Links

Table of n, a(n) for n=1..14.

Example

Some solutions for n=3
..0..0..0....0..0..0....0..0..0....0..0..1....0..0..1....0..0..1....0..0..0
..0..0..1....0..0..0....0..0..1....0..0..0....2..0..1....1..1..1....1..0..0
..1..2..0....0..0..1....2..3..0....0..0..0....0..3..3....1..1..2....0..0..1
..0..3..3....1..0..2....3..1..1....0..0..2....3..3..3....2..3..3....2..0..0
..3..3..3....2..0..0....1..1..1....3..1..1....3..3..3....3..3..3....0..0..0

Crossrefs

Cf. A222794.

Sequence in context: A250752 A235007 A235002 * A128965 A289345 A063049

Adjacent sequences: A222795 A222796 A222797 * A222799 A222800 A222801

Keyword

nonn

Author

R. H. Hardin, Mar 05 2013

Status

approved