A283570 Number of nX6 0..1 arrays with no 1 equal to more than one of its horizontal, diagonal and antidiagonal neighbors, with the exception of exactly one element.

12, 908, 21186, 509952, 10919674, 226897932, 4558585174, 89724600000, 1736716820366, 33188681249924, 627668838247742, 11769603893466432, 219120313902873796, 4054721455598417092, 74638990577755174088

Offset

1,1

Comments

Column 6 of A283572.

Links

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

R. H. Hardin, Empirical recurrence of order 54

Formula

Empirical recurrence of order 54 (see link above)

Example

Some solutions for n=3
..0..1..0..0..0..0. .0..0..0..1..1..0. .1..0..1..1..1..0. .1..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..1..0..0..0..0. .1..1..1..0..0..1. .1..1..0..0..1..1. .1..0..1..1..1..0

Crossrefs

Cf. A283572.

Sequence in context: A116225 A214313 A306642 * A159870 A283040 A229603

Adjacent sequences: A283567 A283568 A283569 * A283571 A283572 A283573

Keyword

nonn

Author

R. H. Hardin, Mar 11 2017

Status

approved