A302963 Number of nX6 0..1 arrays with every element equal to 0, 1, 2, 3 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.

32, 1405, 19868, 314989, 5122000, 83644490, 1365216668, 22301032112, 364489574945, 5958753041614, 97427941260642, 1593122104163405, 26051813455660353, 426031529087524529, 6967143696100020839

Offset

1,1

Comments

Column 6 of A302965.

Links

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

Example

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

Crossrefs

Cf. A302965.

Sequence in context: A254152 A160447 A302263 * A302806 A303467 A240345

Adjacent sequences: A302960 A302961 A302962 * A302964 A302965 A302966

Keyword

nonn

Author

R. H. Hardin, Apr 16 2018

Status

approved