A222768 Number of nX7 0..1 arrays with exactly floor(nX7/2) elements unequal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..1 order

5, 152, 2446, 89811, 1570588, 62017670, 1139211468, 46316300783, 872037778022, 36016907441620, 687733392122744, 28680675666813436, 552611942013475560, 23197864298620002960, 449800925803708450740, 18972874575715876051106

Offset

1,1

Comments

Column 7 of A222769

Links

R. H. Hardin, Table of n, a(n) for n = 1..105

Example

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

Crossrefs

Sequence in context: A214691 A261822 A105230 * A208578 A322634 A108535

Adjacent sequences: A222765 A222766 A222767 * A222769 A222770 A222771

Keyword

nonn

Author

R. H. Hardin Mar 05 2013

Status

approved