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A298130
Number of nX5 0..1 arrays with every element equal to 2, 3, 4 or 7 king-move adjacent elements, with upper left element zero.
1
0, 10, 62, 233, 2621, 21537, 175014, 1557284, 13225388, 115057043, 995377715, 8609735775, 74634586211, 646239250543, 5597827267858, 48490327697080, 420018142359036, 3638291956178446, 31515344567810130, 272991120320041375
OFFSET
1,2
COMMENTS
Column 5 of A298133.
LINKS
EXAMPLE
Some solutions for n=7
..0..0..0..0..1. .0..0..0..1..1. .0..0..0..0..0. .0..0..1..1..1
..0..1..0..1..1. .0..1..0..1..1. .0..1..0..1..0. .0..1..0..0..1
..0..1..1..0..1. .1..0..1..0..0. .1..1..0..1..1. .1..1..0..1..1
..0..0..0..1..1. .0..1..0..1..0. .1..0..0..1..0. .1..0..1..0..0
..1..1..1..0..0. .0..1..0..1..1. .1..0..1..0..0. .0..1..0..1..0
..0..1..0..1..0. .0..1..0..1..0. .0..1..1..0..1. .1..0..1..1..0
..0..0..1..0..0. .0..0..1..0..0. .0..0..1..1..1. .1..1..0..0..0
CROSSREFS
Cf. A298133.
Sequence in context: A321386 A015867 A297863 * A106629 A240157 A350644
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 13 2018
STATUS
approved