A318014 Number of n X 6 0..1 arrays with every element unequal to 0, 1, 2 or 3 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.

32, 1178, 8971, 103633, 1033121, 10674882, 109443619, 1125607630, 11570430384, 118973283392, 1223232810942, 12577320454051, 129319715654055, 1329670047056784, 13671716973942909, 140573321698015550

Offset

1,1

Comments

Column 6 of A318016.

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

Crossrefs

Cf. A318016.

Sequence in context: A208267 A184758 A189956 * A320400 A367538 A194652

Adjacent sequences: A318011 A318012 A318013 * A318015 A318016 A318017

Keyword

nonn

Author

R. H. Hardin, Aug 12 2018

Status

approved