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A304845 Number of nX5 0..1 arrays with every element unequal to 0, 1, 2, 4 or 7 king-move adjacent elements, with upper left element zero. 1
16, 64, 165, 502, 3009, 12763, 45988, 205950, 912997, 3690448, 15499328, 66956934, 281234615, 1178657330, 5007791845, 21188234139, 89234391013, 377182176376, 1595475905110, 6735810178562, 28448566412437, 120239913645632 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 5 of A304848.
LINKS
EXAMPLE
Some solutions for n=5
..0..1..1..1..1. .0..0..1..0..0. .0..0..1..1..1. .0..0..1..1..0
..1..0..1..1..1. .0..1..0..0..0. .1..1..1..1..0. .1..1..1..1..0
..1..1..1..1..1. .0..0..0..0..1. .1..1..1..1..0. .1..1..1..1..1
..0..1..1..1..1. .1..0..0..0..1. .1..0..1..1..1. .0..1..1..1..0
..0..1..1..0..0. .0..1..0..0..0. .1..0..1..1..1. .1..0..1..1..0
CROSSREFS
Cf. A304848.
Sequence in context: A136264 A266103 A100184 * A190099 A316542 A306057
KEYWORD
nonn
AUTHOR
R. H. Hardin, May 19 2018
STATUS
approved

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Last modified July 21 08:59 EDT 2024. Contains 374464 sequences. (Running on oeis4.)