A298768 - OEIS

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

(list; graph; refs; listen; history; text; internal format)

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