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A303679 Number of nX5 0..1 arrays with every element unequal to 0, 1 or 3 king-move adjacent elements, with upper left element zero. 1
8, 31, 25, 44, 76, 110, 150, 212, 306, 458, 684, 1006, 1462, 2132, 3122, 4586, 6732, 9870, 14454, 21172, 31026, 45482, 66668, 97710, 143190, 209844, 307538, 450730, 660588, 968142, 1418870, 2079444, 3047570, 4466442, 6545900, 9593486, 14059926 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A303682.

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210

FORMULA

Empirical: a(n) = a(n-1) +a(n-4) +a(n-6) for n>10

EXAMPLE

Some solutions for n=5

..0..0..1..1..1. .0..0..0..0..1. .0..1..1..0..0. .0..0..0..1..1

..0..1..1..1..1. .0..0..0..1..1. .1..1..1..1..0. .0..0..0..0..1

..1..1..1..1..0. .0..0..1..1..1. .1..1..1..1..1. .0..0..0..0..0

..1..1..1..0..0. .0..1..1..1..1. .1..1..1..1..1. .1..0..0..0..0

..1..1..0..0..0. .1..1..1..1..0. .1..1..1..1..1. .1..1..0..0..0

CROSSREFS

Cf. A303682.

Sequence in context: A027146 A302409 A226968 * A304218 A304130 A305479

Adjacent sequences:  A303676 A303677 A303678 * A303680 A303681 A303682

KEYWORD

nonn

AUTHOR

R. H. Hardin, Apr 28 2018

STATUS

approved

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Last modified September 18 11:38 EDT 2021. Contains 347527 sequences. (Running on oeis4.)