A299348 Number of nX6 0..1 arrays with every element equal to 0, 1, 2, 4, 5 or 8 king-move adjacent elements, with upper left element zero.

32, 157, 195, 1492, 6605, 25754, 150748, 749550, 3771027, 20403891, 106116172, 556453590, 2956316842, 15565137506, 82164118264, 434754762015, 2296170127137, 12134884622722, 64159420299124, 339113650307159, 1792609205017494

Offset

1,1

Comments

Column 6 of A299350.

Links

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

Example

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

Crossrefs

Cf. A299350.

Sequence in context: A318159 A035286 A298219 * A299095 A299877 A299013

Adjacent sequences: A299345 A299346 A299347 * A299349 A299350 A299351

Keyword

nonn

Author

R. H. Hardin, Feb 07 2018

Status

approved