A326162 Number of nX5 0..1 arrays with every element unequal to 0, 1, 3, 4 or 5 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.

8, 22, 60, 261, 1136, 5555, 27902, 142396, 715457, 3574752, 17784402, 88554024, 441286737, 2201585637, 10988353869, 54853491986, 273813203273, 1366709410340, 6821393389228, 34045549043276, 169920411349023, 848072514117158

Offset

1,1

Comments

Column 5 of A326165.

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

Crossrefs

Cf. A326165.

Sequence in context: A350123 A211479 A318034 * A126362 A140418 A200081

Adjacent sequences: A326159 A326160 A326161 * A326163 A326164 A326165

Keyword

nonn

Author

R. H. Hardin, Jun 09 2019

Status

approved