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A317156 Number of nX4 0..1 arrays with every element unequal to 0, 1, 3, 4, 5, 7 or 8 king-move adjacent elements, with upper left element zero. 1
5, 21, 29, 105, 379, 1245, 5458, 25315, 111407, 527886, 2563160, 12170793, 58396626, 282895106, 1362930990, 6568303800, 31746692725, 153297619453, 739913361896, 3573891092629, 17261311752935, 83352383451568, 402555795489298 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 4 of A317160.

LINKS

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

R. H. Hardin, Empirical recurrence of order 66

FORMULA

Empirical recurrence of order 66 (see link above)

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A317160.

Sequence in context: A305343 A186304 A316235 * A304665 A306168 A305645

Adjacent sequences:  A317153 A317154 A317155 * A317157 A317158 A317159

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jul 22 2018

STATUS

approved

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Last modified October 16 20:36 EDT 2021. Contains 348047 sequences. (Running on oeis4.)