A303038 Number of nX6 0..1 arrays with every element equal to 0, 1, 3, 4 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.

13, 113, 150, 869, 3069, 13597, 63254, 298328, 1487003, 7748342, 41876150, 234739185, 1358331357, 8044921674, 48567141833, 297402619344, 1839614527950, 11463650530293, 71813104193006, 451521024746927, 2846294049645254

Offset

1,1

Comments

Column 6 of A303040.

Links

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

Example

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

Crossrefs

Cf. A303040.

Sequence in context: A044345 A166573 A044726 * A141937 A320464 A302875

Adjacent sequences: A303035 A303036 A303037 * A303039 A303040 A303041

Keyword

nonn

Author

R. H. Hardin, Apr 17 2018

Status

approved