A284072 - OEIS

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

(list; graph; refs; listen; history; text; internal format)

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