A299462 Number of nX5 0..1 arrays with every element equal to 1, 2, 3, 5, 6 or 8 king-move adjacent elements, with upper left element zero.

3, 174, 861, 5294, 52002, 402789, 2991315, 25096585, 203284013, 1611010609, 13094496103, 106168437424, 854926004049, 6916133127714, 55981156241507, 452353768418279, 3657801026314847, 29587337512259810, 239238839125388772

Offset

1,1

Comments

Column 5 of A299465.

Links

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

Example

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

Crossrefs

Cf. A299465.

Sequence in context: A299564 A298386 A299304 * A300105 A125711 A268949

Adjacent sequences: A299459 A299460 A299461 * A299463 A299464 A299465

Keyword

nonn

Author

R. H. Hardin, Feb 10 2018

Status

approved