A298492 Number of n X 6 0..1 arrays with every element equal to 0, 1, 2, 4 or 7 king-move adjacent elements, with upper left element zero.

32, 137, 70, 158, 253, 388, 434, 830, 1351, 1892, 3026, 5492, 8206, 13206, 23026, 37722, 61436, 105530, 178179, 295783, 506990, 866860, 1463725, 2509465, 4317963, 7372126, 12671748, 21878777, 37631904, 64879762, 112242254, 193928435

Offset

1,1

Comments

Column 6 of A298494.

Links

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

Example

Some solutions for n=9
..0..0..1..0..1..0. .0..1..0..1..0..1. .0..1..0..1..1..0. .0..0..1..1..0..0
..0..1..1..0..1..1. .1..1..0..0..1..0. .0..1..1..0..0..1. .1..1..1..1..1..0
..0..0..0..0..0..0. .0..0..0..1..1..0. .1..1..0..0..1..0. .1..0..0..0..0..0
..1..1..0..1..1..0. .0..1..1..0..1..1. .0..0..1..0..1..0. .1..1..0..0..1..1
..0..1..0..1..0..0. .0..0..1..1..0..0. .0..1..0..0..1..0. .0..0..0..0..0..1
..1..0..1..1..0..0. .0..0..1..0..0..1. .1..1..1..0..0..1. .0..1..1..1..1..1
..1..0..0..1..1..0. .1..0..1..1..1..0. .0..0..1..1..0..1. .0..0..1..1..0..0
..0..1..0..0..1..1. .0..1..0..1..0..1. .1..0..1..0..1..0. .1..1..1..1..1..1
..0..1..0..1..0..0. .1..1..0..1..0..1. .0..0..1..1..1..0. .1..0..0..0..0..1

Crossrefs

Cf. A298494.

Sequence in context: A297641 A304380 A297887 * A298292 A299386 A299185

Adjacent sequences: A298489 A298490 A298491 * A298493 A298494 A298495

Keyword

nonn

Author

R. H. Hardin, Jan 20 2018

Status

approved