A302962 Number of nX5 0..1 arrays with every element equal to 0, 1, 2, 3 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.

16, 384, 3924, 43588, 493132, 5602382, 63612987, 722646394, 8212135689, 93333017966, 1060806235030, 12057365898916, 137049471727976, 1557782741219620, 17706765695523787, 201267276363226847

Offset

1,1

Comments

Column 5 of A302965.

Links

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

R. H. Hardin, Empirical recurrence of order 80

Formula

Empirical recurrence of order 80 (see link above)

Example

Some solutions for n=5
..0..0..0..1..1. .0..0..0..0..1. .0..0..0..0..1. .0..0..1..0..0
..1..0..1..0..1. .0..1..1..1..0. .1..1..1..0..0. .0..0..0..0..1
..0..0..1..0..1. .0..1..0..0..0. .1..0..0..1..1. .1..0..1..0..0
..0..1..0..1..0. .1..1..1..1..1. .1..1..0..0..1. .1..0..1..0..1
..1..1..0..0..1. .0..0..1..0..0. .0..1..1..0..0. .1..1..0..1..1

Crossrefs

Cf. A302965.

Sequence in context: A343213 A340689 A302262 * A302805 A303466 A116166

Adjacent sequences: A302959 A302960 A302961 * A302963 A302964 A302965

Keyword

nonn

Author

R. H. Hardin, Apr 16 2018

Status

approved