A298780 Number of nX6 0..1 arrays with every element equal to 0, 3, 4, 5 or 8 king-move adjacent elements, with upper left element zero.

1, 9, 7, 26, 178, 562, 2607, 15018, 81636, 455586, 2645277, 15071152, 86168841, 496188667, 2843376149, 16332351166, 93816373371, 538686228311, 3093975180196, 17770633217448, 102061638116874, 586199211091864, 3366879038649282

Offset

1,2

Comments

Column 6 of A298782.

Links

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

Example

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

Crossrefs

Cf. A298782.

Sequence in context: A186830 A124050 A107663 * A231605 A248307 A168159

Adjacent sequences: A298777 A298778 A298779 * A298781 A298782 A298783

Keyword

nonn

Author

R. H. Hardin, Jan 26 2018

Status

approved