A284072 Number of nX5 0..1 arrays with no 1 equal to more than three of its horizontal, diagonal and antidiagonal neighbors, with the exception of exactly two elements.

0, 33, 3174, 147864, 5555954, 188451507, 6011835223, 183456426810, 5420265572272, 156205777797592, 4413231997830430, 122681753540269744, 3364621054582473645, 91226318376089628842, 2449248911517215357307

Offset

1,2

Comments

Column 5 of A284075.

Links

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

Example

Some solutions for n=4
..0..0..1..1..1. .1..0..1..0..0. .0..1..1..1..0. .0..0..0..0..0
..1..0..1..1..1. .0..0..1..1..0. .1..0..0..0..1. .0..1..0..0..1
..1..0..0..0..1. .1..0..1..1..0. .1..0..1..0..1. .1..1..0..1..1
..1..1..1..1..0. .0..1..1..1..1. .1..1..1..1..1. .1..1..1..1..1

Crossrefs

Cf. A284075.

Sequence in context: A111922 A136541 A263105 * A281444 A242019 A305140

Adjacent sequences: A284069 A284070 A284071 * A284073 A284074 A284075

Keyword

nonn

Author

R. H. Hardin, Mar 19 2017

Status

approved