A283577 Number of 6Xn 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.

0, 924, 36038, 528436, 12699250, 226897932, 4173039716, 75680334636, 1325245534158, 23188665136084, 399584953679136, 6833558444087984, 116073651385176490, 1958677669677212976, 32888238393714753228

Offset

1,2

Comments

Row 6 of A283572.

Links

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

R. H. Hardin, Empirical recurrence of order 64

Formula

Empirical recurrence of order 64 (see link above)

Example

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

Crossrefs

Cf. A283572.

Sequence in context: A347261 A245859 A172224 * A361608 A177304 A022053

Adjacent sequences: A283574 A283575 A283576 * A283578 A283579 A283580

Keyword

nonn

Author

R. H. Hardin, Mar 11 2017

Status

approved