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A304602 Number of nX6 0..1 arrays with every element unequal to 0, 1, 2, 5 or 6 king-move adjacent elements, with upper left element zero. 1
32, 45, 131, 515, 1726, 6007, 19634, 66861, 231749, 813171, 2823452, 9768312, 33823836, 117404683, 407563521, 1413825126, 4902508706, 17003347781, 58984647937, 204621318633, 709786934909, 2462022409925, 8540133048354 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 6 of A304604.
LINKS
FORMULA
Empirical recurrence of order 92 (see link above)
EXAMPLE
Some solutions for n=5
..0..0..0..1..0..0. .0..0..0..0..0..0. .0..0..0..0..1..0. .0..1..0..0..0..0
..1..0..0..0..0..1. .1..0..0..1..0..0. .0..0..0..0..0..0. .0..0..0..0..0..0
..0..0..0..0..0..0. .0..0..1..0..1..0. .0..0..0..0..0..0. .0..1..0..0..0..0
..1..0..0..0..0..0. .0..0..0..1..1..0. .1..1..0..0..0..1. .1..0..1..0..0..0
..0..0..1..0..0..0. .0..0..0..0..0..0. .1..1..0..0..0..0. .1..1..0..0..0..0
CROSSREFS
Cf. A304604.
Sequence in context: A211813 A353234 A303959 * A305338 A316418 A304924
KEYWORD
nonn
AUTHOR
R. H. Hardin, May 15 2018
STATUS
approved

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Last modified June 21 21:50 EDT 2024. Contains 373559 sequences. (Running on oeis4.)