A282966 Number of nX5 0..1 arrays with no 1 equal to more than one of its horizontal, vertical and antidiagonal neighbors, with the exception of exactly two elements.

2, 75, 2012, 35870, 577003, 8716978, 124683166, 1722329260, 23131988665, 303943320975, 3922864361193, 49884634204045, 626460395324048, 7783341691487342, 95809806339522244, 1169851278932453293

Offset

1,1

Comments

Column 5 of A282969.

Links

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

Example

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

Crossrefs

Cf. A282969.

Sequence in context: A238820 A000329 A091978 * A351433 A351376 A276203

Adjacent sequences: A282963 A282964 A282965 * A282967 A282968 A282969

Keyword

nonn

Author

R. H. Hardin, Feb 25 2017

Status

approved