A283947 Number of nX5 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, 84, 7988, 264482, 8244557, 242330064, 6816984648, 186634970946, 5006741437429, 132235076658212, 3449881843194282, 89112251221774946, 2282954398345404380, 58083724718538740624, 1469105340510703161357

Offset

1,2

Comments

Column 5 of A283950.

Links

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

R. H. Hardin, Empirical recurrence of order 90

Formula

Empirical recurrence of order 90 (see link above)

Example

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

Crossrefs

Cf. A283950.

Sequence in context: A224389 A223991 A224022 * A265586 A278725 A186245

Adjacent sequences: A283944 A283945 A283946 * A283948 A283949 A283950

Keyword

nonn

Author

R. H. Hardin, Mar 18 2017

Status

approved