A302215 Number of 5Xn 0..1 arrays with every element equal to 0, 2 or 3 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.

16, 6, 147, 18, 448, 281, 1868, 6036, 16344, 110672, 332791, 1836532, 7975778, 32963967, 175388042, 679563302, 3615591697, 15049212425, 73677748194, 333969856156, 1532899327683, 7260258957631, 32677907934863, 155388905659519

Offset

1,1

Comments

Row 5 of A302212.

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

Crossrefs

Cf. A302212.

Sequence in context: A166210 A141078 A298830 * A057964 A302463 A303245

Adjacent sequences: A302212 A302213 A302214 * A302216 A302217 A302218

Keyword

nonn

Author

R. H. Hardin, Apr 03 2018

Status

approved