A298557 Number of nX5 0..1 arrays with every element equal to 1, 2, 3, 5 or 7 king-move adjacent elements, with upper left element zero.

3, 174, 796, 4304, 24364, 138774, 781071, 4432262, 25124403, 142234863, 806138743, 4569541386, 25893792606, 146748270319, 831716656289, 4713611192492, 26713984720758, 151401393855722, 858059003257182, 4863005923218672

Offset

1,1

Comments

Column 5 of A298560.

Links

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

Example

Some solutions for n=6
..0..0..1..1..0. .0..0..1..1..0. .0..0..1..1..0. .0..0..1..0..0
..1..0..1..1..0. .0..1..1..0..1. .1..0..1..0..1. .1..1..0..1..1
..1..1..0..1..1. .1..1..1..0..1. .1..0..1..0..1. .1..1..1..0..0
..1..0..1..0..1. .0..0..1..1..0. .1..0..1..0..1. .0..0..1..1..0
..1..0..0..1..0. .0..1..0..1..1. .1..0..1..0..1. .1..1..0..1..0
..1..0..1..0..0. .0..1..1..0..1. .0..1..0..1..1. .0..0..0..1..0

Crossrefs

Cf. A298560.

Sequence in context: A053930 A053920 A297948 * A298767 A299564 A298386

Adjacent sequences: A298554 A298555 A298556 * A298558 A298559 A298560

Keyword

nonn

Author

R. H. Hardin, Jan 21 2018

Status

approved