A283696 Number of 6Xn 0..1 arrays with no 1 equal to more than two of its horizontal, diagonal and antidiagonal neighbors.

64, 2816, 49924, 1489917, 42865601, 1119189256, 30968693109, 851752858746, 23200520913631, 635915486887512, 17414698256902544, 476456224450550450, 13044303755666285002, 357081400450123268030, 9774047357323889529074

Offset

1,1

Comments

Row 6 of A283691.

Links

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

Example

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

Crossrefs

Cf. A283691.

Sequence in context: A240483 A240635 A297372 * A283128 A295714 A187623

Adjacent sequences: A283693 A283694 A283695 * A283697 A283698 A283699

Keyword

nonn

Author

R. H. Hardin, Mar 14 2017

Status

approved