A222327 Number of nX7 0..1 arrays with exactly floor(nX7/2) elements unequal to at least one king-move neighbor, with new values introduced in row major 0..1 order

5, 0, 212, 3307, 15100, 255304, 2284728, 37484794, 318665044, 5848569858, 53774145449, 993959061317, 9141439223417, 171115897853704, 1590637978363140, 29928907006839532, 278649808319750564, 5257935209592087820

Offset

1,1

Comments

Column 7 of A222328

Links

R. H. Hardin, Table of n, a(n) for n = 1..34

Example

Some solutions for n=4
..0..0..0..0..0..1..1....0..0..0..1..0..1..1....0..0..0..0..1..0..1
..0..0..0..0..0..1..1....0..0..0..1..0..1..1....0..0..0..0..0..0..1
..0..0..0..1..0..1..1....0..0..0..1..1..1..1....0..0..0..0..0..1..0
..0..0..0..0..1..1..1....0..0..0..1..1..1..1....0..0..0..0..0..0..0

Crossrefs

Sequence in context: A073911 A157302 A275759 * A286483 A264884 A036946

Adjacent sequences: A222324 A222325 A222326 * A222328 A222329 A222330

Keyword

nonn

Author

R. H. Hardin Feb 15 2013

Status

approved