A316381 Number of nX6 0..1 arrays with every element unequal to 1, 2, 3, 4, 6 or 8 king-move adjacent elements, with upper left element zero.

5, 1145, 11423, 228485, 4067961, 70282175, 1244767536, 22077180053, 388558892008, 6870771642131, 121380299131324, 2143383013298806, 37865564867036673, 668854848272576791, 11814292721299354307

Offset

1,1

Comments

Column 6 of A316383.

Links

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

Example

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

Crossrefs

Cf. A316383.

Sequence in context: A304899 A316581 A304595 * A306141 A317374 A189249

Adjacent sequences: A316378 A316379 A316380 * A316382 A316383 A316384

Keyword

nonn

Author

R. H. Hardin, Jun 30 2018

Status

approved