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A318550
Number of nX6 0..1 arrays with every element unequal to 1, 2, 4 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
1
5, 46, 106, 589, 3172, 14760, 67976, 337349, 1614708, 7855731, 38347330, 186692330, 911693548, 4447553946, 21721993726, 106065614622, 517953864782, 2529772676696, 12355265537302, 60345961406665, 294745792413259
OFFSET
1,1
COMMENTS
Column 6 of A318552.
LINKS
EXAMPLE
Some solutions for n=5
..0..1..1..0..0..0. .0..1..1..1..0..1. .0..1..1..0..1..0. .0..0..0..1..1..0
..0..1..0..0..1..1. .1..1..0..1..1..0. .0..1..0..0..0..1. .1..0..0..1..0..0
..0..0..0..1..0..1. .1..1..1..1..1..1. .0..0..0..1..1..1. .0..0..0..0..0..1
..0..1..0..1..1..1. .0..1..1..0..1..1. .0..1..0..1..0..1. .1..1..0..0..1..1
..0..0..1..1..0..1. .1..1..0..0..1..0. .0..0..1..1..1..0. .1..0..0..1..1..0
CROSSREFS
Cf. A318552.
Sequence in context: A112396 A317861 A348786 * A318212 A096947 A042533
KEYWORD
nonn
AUTHOR
R. H. Hardin, Aug 28 2018
STATUS
approved