A300609 Number of nX5 0..1 arrays with every element equal to 1, 2, 3 or 5 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.

3, 96, 1432, 19532, 263468, 3567928, 48279880, 653282566, 8839456244, 119606358743, 1618388055066, 21898377621170, 296306504038927, 4009317324360190, 54249991153267601, 734055526483841279

Offset

1,1

Comments

Column 5 of A300612.

Links

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

Example

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

Crossrefs

Cf. A300612.

Sequence in context: A094085 A300424 A300686 * A301351 A268012 A268181

Adjacent sequences: A300606 A300607 A300608 * A300610 A300611 A300612

Keyword

nonn

Author

R. H. Hardin, Mar 09 2018

Status

approved