A283954 Number of 5Xn 0..1 arrays with no 1 equal to more than three of its horizontal, diagonal and antidiagonal neighbors, with the exception of exactly one element.

0, 0, 8184, 283208, 8244557, 241796070, 6763514843, 182198176994, 4825164796310, 125933665031272, 3244468947083396, 82767450195612832, 2094459557648313968, 52635795570355253222, 1315036944531836311688, 32688961006164835305772

Offset

1,3

Comments

Row 5 of A283950.

Links

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

Example

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

Crossrefs

Cf. A283950.

Sequence in context: A252217 A351448 A235095 * A250939 A137385 A108093

Adjacent sequences: A283951 A283952 A283953 * A283955 A283956 A283957

Keyword

nonn

Author

R. H. Hardin, Mar 18 2017

Status

approved