A302154 Number of 6Xn 0..1 arrays with every element equal to 0, 2, 3 or 4 horizontally or antidiagonally adjacent elements, with upper left element zero.

32, 1, 84, 257, 1529, 15999, 145150, 1482725, 15902462, 174951740, 1970629796, 22494667102, 258629509515, 2984220411587, 34476629235844, 398556898099009, 4609165601937455, 53315795633961409, 616815626588521291

Offset

1,1

Comments

Row 6 of A302150.

Links

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

Example

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

Crossrefs

Cf. A302150.

Sequence in context: A014777 A303323 A301910 * A221193 A103325 A351245

Adjacent sequences: A302151 A302152 A302153 * A302155 A302156 A302157

Keyword

nonn

Author

R. H. Hardin, Apr 02 2018

Status

approved