A318095 Number of nX5 0..1 arrays with every element unequal to 1, 2, 3 or 5 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.

3, 160, 795, 9193, 73788, 679923, 5965933, 53097417, 470312224, 4169820514, 36968719579, 327702596780, 2905237626725, 25754288401163, 228314768590722, 2024002637416141, 17942832791033373, 159063302137598218

Offset

1,1

Comments

Column 5 of A318098.

Links

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

Example

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

Crossrefs

Cf. A318098.

Sequence in context: A163320 A317820 A318427 * A108159 A201429 A067322

Adjacent sequences: A318092 A318093 A318094 * A318096 A318097 A318098

Keyword

nonn

Author

R. H. Hardin, Aug 16 2018

Status

approved