A301359 Number of nX6 0..1 arrays with every element equal to 1, 2, 4, 5 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.

5, 90, 256, 1167, 6279, 44148, 317019, 2249565, 15884635, 112575442, 799900089, 5694840185, 40579592285, 289239447884, 2061827748721, 14698143384886, 104780785903633, 746986736934242, 5325420761444547, 37966535248953654

Offset

1,1

Comments

Column 6 of A301361.

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

Crossrefs

Cf. A301361.

Sequence in context: A300433 A300767 A300637 * A352590 A037297 A277303

Adjacent sequences: A301356 A301357 A301358 * A301360 A301361 A301362

Keyword

nonn

Author

R. H. Hardin, Mar 19 2018

Status

approved