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A320399
Number of nX5 0..1 arrays with every element unequal to 0, 1, 2, 3 or 5 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
1
16, 338, 3694, 46516, 561290, 6845143, 83509525, 1016183713, 12380173295, 150735949441, 1835742312808, 22354942809197, 272235088796050, 3315230248832552, 40372220823851110, 491645689998207688
OFFSET
1,1
COMMENTS
Column 5 of A320402.
LINKS
EXAMPLE
Some solutions for n=5
..0..0..0..0..0. .0..0..0..1..0. .0..0..0..0..0. .0..0..0..1..0
..1..0..0..0..1. .0..0..0..1..0. .0..1..1..1..1. .0..0..1..1..1
..1..1..0..0..1. .0..0..1..1..0. .1..1..1..0..0. .1..1..1..0..0
..0..0..0..0..0. .0..0..1..1..0. .1..0..0..0..0. .0..1..0..0..0
..1..1..1..0..0. .0..1..1..1..0. .1..1..1..1..1. .0..1..0..0..1
CROSSREFS
Cf. A320402.
Sequence in context: A013993 A058722 A318013 * A173906 A227102 A221577
KEYWORD
nonn
AUTHOR
R. H. Hardin, Oct 12 2018
STATUS
approved