A282129 Number of nX6 0..2 arrays with no element unequal to more than four of its king-move neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards.

0, 35472, 1032030, 27360940, 474264964, 7788462424, 124826907672, 1905667105228, 28902808968716, 429461719294812, 6323174954900552, 92244427454949160

Offset

1,2

Comments

Column 6 of A282130.

Links

Table of n, a(n) for n=1..12.

Example

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

Crossrefs

Cf. A282130.

Sequence in context: A187855 A300762 A250978 * A203337 A184002 A205741

Adjacent sequences: A282126 A282127 A282128 * A282130 A282131 A282132

Keyword

nonn

Author

R. H. Hardin, Feb 06 2017

Status

approved