A299752 - OEIS

A299752

Number of nX7 0..1 arrays with every element equal to 0, 1, 2, 3, 5, 6 or 8 king-move adjacent elements, with upper left element zero.

64, 3440, 24838, 358219, 7443583, 109073249, 1686794332, 28696396155, 463029637815, 7465606812694, 122633805906241, 2000714756289937, 32584371200903888, 532439043152901356, 8693920144556156550

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

OFFSET

1,1

COMMENTS

Column 7 of A299753.

LINKS

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

EXAMPLE

Some solutions for n=5

..0..1..1..0..1..1..1. .0..1..1..1..0..1..1. .0..0..1..1..1..1..1

..0..0..1..1..0..0..1. .0..0..0..1..1..0..0. .0..1..0..1..0..0..0

..0..1..1..1..1..1..0. .0..1..0..1..1..0..1. .0..1..0..0..0..1..1

..0..1..0..1..1..1..1. .0..1..1..0..1..1..1. .0..1..1..0..0..0..1

..0..0..1..0..0..1..0. .0..0..1..1..0..1..0. .0..0..1..0..1..0..1

CROSSREFS

Cf. A299753.

Sequence in context: A299851 A299007 A299674 * A300266 A283855 A283413

Adjacent sequences: A299749 A299750 A299751 * A299753 A299754 A299755

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 18 2018

STATUS

approved