A298768 Number of nX6 0..1 arrays with every element equal to 1, 2, 3, 5 or 8 king-move adjacent elements, with upper left element zero.

5, 604, 3124, 19722, 135243, 942727, 6456802, 44530673, 307427453, 2120354111, 14630695675, 101015435108, 697302434516, 4813188671290, 33227405781627, 229381447522706, 1583479906813958, 10931377863845814, 75463796580783735

Offset

1,1

Comments

Column 6 of A298770.

Links

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

Example

Some solutions for n=5
..0..1..1..1..0..1. .0..1..1..1..1..0. .0..0..0..0..0..0. .0..1..1..1..0..1
..1..0..0..1..0..1. .1..0..0..1..0..1. .0..0..0..0..0..0. .0..1..1..1..0..1
..1..0..1..1..1..0. .1..0..1..1..0..1. .0..0..0..0..0..0. .0..1..1..1..0..1
..0..0..0..1..1..0. .0..0..0..0..1..0. .1..1..1..1..1..1. .0..1..1..1..0..1
..1..1..1..0..0..0. .1..1..1..1..0..0. .0..0..0..0..0..0. .0..1..1..1..0..1

Crossrefs

Cf. A298770.

Sequence in context: A216077 A297949 A298558 * A299565 A298387 A299305

Adjacent sequences: A298765 A298766 A298767 * A298769 A298770 A298771

Keyword

nonn

Author

R. H. Hardin, Jan 26 2018

Status

approved