A283413 Number of nX6 0..1 arrays with no 1 equal to more than three of its horizontal, vertical and antidiagonal neighbors.

64, 3525, 146228, 6865368, 315717408, 14511646624, 668024193788, 30738576483000, 1414483814666200, 65089911870493672, 2995215513526282140, 137829698528789894768, 6342456224329497452288, 291858373017140023742708

Offset

1,1

Comments

Column 6 of A283415.

Links

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

R. H. Hardin, Empirical recurrence of order 72

Formula

Empirical recurrence of order 72 (see link above)

Example

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

Crossrefs

Cf. A283415.

Sequence in context: A299752 A300266 A283855 * A264210 A264221 A232842

Adjacent sequences: A283410 A283411 A283412 * A283414 A283415 A283416

Keyword

nonn

Author

R. H. Hardin, Mar 07 2017

Status

approved