A317008 Number of nX5 0..1 arrays with every element unequal to 0, 1, 2, 3, 5, 6 or 8 king-move adjacent elements, with upper left element zero.

16, 192, 1704, 16048, 147281, 1372782, 12838095, 120108770, 1124195594, 10524878708, 98550592637, 922850729408, 8642158545087, 80932571989018, 757932288592261, 7098080021451769, 66474230286254441, 622539435306862178

Offset

1,1

Comments

Column 5 of A317011.

Links

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

Example

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

Crossrefs

Cf. A317011.

Sequence in context: A230832 A305590 A232426 * A365934 A316873 A071081

Adjacent sequences: A317005 A317006 A317007 * A317009 A317010 A317011

Keyword

nonn

Author

R. H. Hardin, Jul 18 2018

Status

approved