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A305520 Number of nX5 0..1 arrays with every element unequal to 0, 1, 2, 3, 4 or 5 king-move adjacent elements, with upper left element zero. 1
16, 512, 10082, 186237, 3536750, 66949063, 1269418258, 24080732454, 456869647792, 8669106351850, 164501969899649, 3121616742992729, 59236894351198887, 1124106233985029726, 21331602801233941787 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 5 of A305523.
LINKS
FORMULA
Empirical recurrence of order 58 (see link above)
EXAMPLE
Some solutions for n=5
..0..0..0..0..0. .0..0..0..0..0. .0..0..0..0..0. .0..0..0..0..0
..0..1..1..1..1. .0..1..1..0..1. .0..0..1..0..0. .0..1..1..1..1
..1..1..1..1..0. .1..1..0..1..1. .0..1..1..1..0. .0..1..1..0..0
..0..1..1..1..0. .1..1..0..0..0. .1..1..1..1..1. .1..1..0..0..1
..1..0..0..1..1. .1..1..1..0..1. .1..1..1..1..1. .0..1..0..1..0
CROSSREFS
Cf. A305523.
Sequence in context: A302811 A303472 A208712 * A316957 A298967 A299737
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jun 04 2018
STATUS
approved

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Last modified May 20 06:19 EDT 2024. Contains 372703 sequences. (Running on oeis4.)