A222767 Number of nX6 0..1 arrays with exactly floor(nX6/2) elements unequal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..1 order

4, 73, 934, 15077, 256546, 4479721, 79612578, 1432512703, 26011740182, 475591230143, 8742929996332, 161434491485598, 2991759796200596, 55616288265939185, 1036645299974444114, 19366819201445345894

Offset

1,1

Comments

Column 6 of A222769

Links

R. H. Hardin, Table of n, a(n) for n = 1..152

Example

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

Crossrefs

Sequence in context: A168299 A089665 A092871 * A353740 A090212 A137046

Adjacent sequences: A222764 A222765 A222766 * A222768 A222769 A222770

Keyword

nonn

Author

R. H. Hardin Mar 05 2013

Status

approved