A303200 Number of 5Xn 0..1 arrays with every element equal to 0, 1, 3, 5 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.

16, 21, 62, 185, 523, 2106, 7425, 23976, 77199, 278516, 970352, 3224100, 10748487, 37400625, 128931566, 434968863, 1468892487, 5046611020, 17300239256, 58747284770, 199467828264, 682129604278, 2332060352220, 7940005050689

Offset

1,1

Comments

Row 5 of A303197.

Links

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

Example

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

Crossrefs

Cf. A303197.

Sequence in context: A302430 A138173 A302313 * A303043 A302880 A303528

Adjacent sequences: A303197 A303198 A303199 * A303201 A303202 A303203

Keyword

nonn

Author

R. H. Hardin, Apr 19 2018

Status

approved