A299014 Number of nX7 0..1 arrays with every element equal to 0, 1, 2, 4, 5 or 6 king-move adjacent elements, with upper left element zero.

64, 353, 957, 18758, 259556, 3848010, 59666756, 931277377, 14739630633, 227368007690, 3555807950108, 55990966099803, 872001417883372, 13628063102584994, 213631343418010157, 3338835028830178746

Offset

1,1

Comments

Column 7 of A299015.

Links

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

Example

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

Crossrefs

Cf. A299015.

Sequence in context: A299349 A299096 A299878 * A299805 A299681 A300313

Adjacent sequences: A299011 A299012 A299013 * A299015 A299016 A299017

Keyword

nonn

Author

R. H. Hardin, Jan 31 2018

Status

approved