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A317694 Number of nX5 0..1 arrays with every element unequal to 0, 1, 3, 4, 5, 6, 7 or 8 king-move adjacent elements, with upper left element zero. 1
8, 57, 92, 630, 6984, 45681, 464357, 6124074, 64822432, 715570927, 8654654634, 99958524334, 1144612247874, 13435519306133, 156803930124482, 1819334495186908, 21222619198848095, 247618983949298444 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 5 of A317697.
LINKS
EXAMPLE
Some solutions for n=5
..0..1..1..1..0. .0..1..1..0..1. .0..1..0..1..0. .0..1..0..1..0
..0..0..0..0..0. .0..0..0..1..1. .0..0..0..1..1. .1..1..0..0..0
..1..1..0..1..1. .1..1..0..1..1. .1..1..0..0..0. .0..0..1..1..1
..0..1..0..0..1. .0..1..0..0..1. .1..0..1..0..1. .1..0..0..0..1
..0..0..0..0..0. .0..0..0..0..0. .1..1..1..0..0. .1..1..0..0..0
CROSSREFS
Cf. A317697.
Sequence in context: A305646 A316922 A317040 * A143570 A365303 A296721
KEYWORD
nonn
AUTHOR
R. H. Hardin, Aug 04 2018
STATUS
approved

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Last modified May 26 05:37 EDT 2024. Contains 372807 sequences. (Running on oeis4.)