A300941 Number of nX5 0..1 arrays with every element equal to 0, 1, 3, 4 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.

8, 6, 19, 75, 248, 836, 2975, 10597, 37967, 140091, 517221, 1899615, 6983710, 25640349, 94047532, 345012700, 1265802798, 4645031772, 17044820956, 62544944003, 229495469391, 842069429957, 3089696825227, 11336652240565

Offset

1,1

Comments

Column 5 of A300944.

Links

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

Example

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

Crossrefs

Cf. A300944.

Sequence in context: A036176 A064685 A300885 * A075486 A123875 A217479

Adjacent sequences: A300938 A300939 A300940 * A300942 A300943 A300944

Keyword

nonn

Author

R. H. Hardin, Mar 16 2018

Status

approved