A298586 Number of nX5 0..1 arrays with every element equal to 0, 3, 4, 5 or 7 king-move adjacent elements, with upper left element zero.

1, 5, 16, 13, 65, 233, 441, 1765, 7431, 28212, 121244, 535305, 2361877, 10551449, 47554828, 214039124, 966285097, 4368687478, 19746143290, 89312123155, 404063434650, 1827979396242, 8271023750062, 37425517979193, 169345873182577

Offset

1,2

Comments

Column 5 of A298589.

Links

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

Example

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

Crossrefs

Cf. A298589.

Sequence in context: A363342 A075805 A095872 * A217361 A168463 A227871

Adjacent sequences: A298583 A298584 A298585 * A298587 A298588 A298589

Keyword

nonn

Author

R. H. Hardin, Jan 22 2018

Status

approved