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A304416
Number of nX5 0..1 arrays with every element unequal to 0, 2, 3, 4 or 5 king-move adjacent elements, with upper left element zero.
1
1, 82, 520, 7017, 98568, 1389257, 19831472, 283040177, 4045732942, 57856492640, 827467708306, 11836156715921, 169309112071521, 2421918586220940, 34645156271940487, 495595060559492810, 7089446564872674885
OFFSET
1,2
COMMENTS
Column 5 of A304419.
LINKS
EXAMPLE
Some solutions for n=5
..0..0..1..0..1. .0..1..0..1..1. .0..1..1..0..1. .0..1..1..0..1
..1..1..0..0..1. .1..1..0..1..1. .1..1..0..0..0. .0..1..0..1..0
..1..1..0..1..1. .0..0..1..0..0. .1..0..0..1..1. .0..1..0..0..1
..0..0..0..1..0. .1..0..1..1..0. .0..1..1..0..1. .1..0..1..1..0
..1..1..1..0..1. .0..1..1..0..1. .0..1..0..1..0. .1..0..0..1..0
CROSSREFS
Cf. A304419.
Sequence in context: A005972 A082972 A288920 * A316241 A305951 A317212
KEYWORD
nonn
AUTHOR
R. H. Hardin, May 12 2018
STATUS
approved