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A304924 Number of nX6 0..1 arrays with every element unequal to 0, 1, 2, 5 or 7 king-move adjacent elements, with upper left element zero. 1
32, 45, 191, 851, 4186, 21214, 104451, 524286, 2629697, 13159898, 65909764, 330440822, 1656131806, 8296998329, 41578385218, 208385151369, 1044232898642, 5232702674950, 26223139428812, 131412249840686, 658531778389885 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 6 of A304926.
LINKS
FORMULA
Empirical recurrence of order 96 (see link above)
EXAMPLE
Some solutions for n=5
..0..1..0..0..0..1. .0..0..1..1..1..1. .0..0..0..0..1..0. .0..1..0..0..1..0
..0..0..0..0..1..0. .0..0..1..1..0..1. .0..0..0..0..0..0. .0..0..0..0..0..0
..0..0..1..0..0..0. .1..1..1..1..0..1. .1..0..0..0..0..1. .0..0..1..0..0..0
..0..1..0..0..0..0. .1..1..1..1..1..1. .0..0..1..1..0..0. .1..0..0..1..0..0
..0..0..0..0..1..0. .1..1..1..1..1..1. .0..0..0..0..0..0. .0..0..0..0..0..0
CROSSREFS
Cf. A304926.
Sequence in context: A304602 A305338 A316418 * A306164 A317381 A178311
KEYWORD
nonn
AUTHOR
R. H. Hardin, May 21 2018
STATUS
approved

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Last modified June 21 06:38 EDT 2024. Contains 373540 sequences. (Running on oeis4.)