A283491 Number of nX5 0..1 arrays with no 1 equal to more than three of its horizontal, vertical and antidiagonal neighbors, with the exception of exactly one element.

0, 64, 5444, 174232, 5691512, 173139952, 5074155320, 145077026768, 4069261870596, 112485250259704, 3073424415348520, 83183242000043764, 2233748055467946708, 59587068467857424788, 1580547096897194487156

Offset

1,2

Comments

Column 5 of A283494.

Links

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

R. H. Hardin, Empirical recurrence of order 74

Formula

Empirical recurrence of order 74 (see link above)

Example

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

Crossrefs

Cf. A283494.

Sequence in context: A303468 A220578 A067821 * A300471 A326104 A300810

Adjacent sequences: A283488 A283489 A283490 * A283492 A283493 A283494

Keyword

nonn

Author

R. H. Hardin, Mar 08 2017

Status

approved