A299552 Number of nX6 0..1 arrays with every element equal to 2, 3, 4, 5, 6 or 8 king-move adjacent elements, with upper left element zero.

0, 41, 752, 17565, 621694, 19604624, 648002718, 21337630973, 704140369456, 23261634737704, 768519314170011, 25395763400048874, 839234030698101935, 27734287101696482836, 916548572558741234037, 30289757269264885126830

Offset

1,2

Comments

Column 6 of A299554.

Links

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

Example

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

Crossrefs

Cf. A299554.

Sequence in context: A060563 A200914 A221790 * A246642 A167737 A268993

Adjacent sequences: A299549 A299550 A299551 * A299553 A299554 A299555

Keyword

nonn

Author

R. H. Hardin, Feb 12 2018

Status

approved