A223386 Number of nX7 0..2 arrays with all horizontally or vertically connected equal values in a straight line, and new values 0..2 introduced in row major order

365, 98052, 30053580, 9647052880, 3146553746804, 1031929485795283, 339059747829716414, 111475702477623062545, 36658908983805591626970, 12056233413627581350798763, 3965108362690972201201196827

Offset

1,1

Comments

Column 7 of A223387

Links

R. H. Hardin, Table of n, a(n) for n = 1..210

Example

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

Crossrefs

Sequence in context: A275400 A275265 A233097 * A275095 A275351 A241376

Adjacent sequences: A223383 A223384 A223385 * A223387 A223388 A223389

Keyword

nonn

Author

R. H. Hardin Mar 19 2013

Status

approved