A296017 Number of nX6 0..1 arrays with each 1 adjacent to 1 or 4 king-move neighboring 1s.

9, 149, 785, 6545, 58506, 437195, 3547681, 28921472, 229650211, 1848542823, 14876263589, 119272404660, 958355259940, 7699090304032, 61820117074182, 496553160861550, 3988249779187051, 32030901754885095, 257263407233229638

Offset

1,1

Comments

Column 6 of A296019.

Links

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

Example

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

Crossrefs

Cf. A296019.

Sequence in context: A050580 A266128 A183439 * A218350 A337672 A027018

Adjacent sequences: A296014 A296015 A296016 * A296018 A296019 A296020

Keyword

nonn

Author

R. H. Hardin, Dec 02 2017

Status

approved