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

Offset: 1

Author

R. H. Hardin Mar 09 2013

Keywords

• nonn

Comments

Row 6 of A222906

Examples

			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