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A300686
Number of nX5 0..1 arrays with every element equal to 1, 2, 3 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
1
3, 96, 1391, 18225, 240463, 3179333, 42006289, 554837022, 7328971275, 96809180326, 1278756595603, 16891220226973, 223117594938741, 2947179704159404, 38929553446409017, 514223861793513922
OFFSET
1,1
COMMENTS
Column 5 of A300689.
LINKS
EXAMPLE
Some solutions for n=5
..0..0..0..1..1. .0..0..0..1..0. .0..0..0..1..0. .0..0..0..0..1
..1..1..0..0..0. .1..1..0..1..0. .1..1..1..1..0. .0..1..0..1..0
..1..0..1..1..1. .1..1..0..1..1. .0..0..0..1..1. .1..0..1..1..0
..0..1..0..0..1. .0..1..0..0..1. .1..0..1..0..1. .1..1..0..1..0
..0..1..1..0..1. .0..1..0..0..1. .1..1..0..0..1. .1..0..0..0..0
CROSSREFS
Cf. A300689.
Sequence in context: A264548 A094085 A300424 * A300609 A301351 A268012
KEYWORD
nonn
AUTHOR
R. H. Hardin, Mar 11 2018
STATUS
approved