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A316126 Number of nX4 0..1 arrays with every element unequal to 1, 2, 3, 5, 6 or 7 king-move adjacent elements, with upper left element zero. 1
2, 45, 197, 1112, 6562, 36480, 204465, 1170851, 6622412, 37527145, 213051804, 1207987372, 6850738403, 38858760572, 220384969476, 1249936673191, 7089251093164, 40207467076807, 228041955210057, 1293371442017860 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 4 of A316130.

LINKS

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

R. H. Hardin, Empirical recurrence of order 67

FORMULA

Empirical recurrence of order 67 (see link above)

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A316130.

Sequence in context: A304693 A200158 A316444 * A317432 A302468 A303250

Adjacent sequences:  A316123 A316124 A316125 * A316127 A316128 A316129

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jun 24 2018

STATUS

approved

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Last modified September 19 12:57 EDT 2019. Contains 327198 sequences. (Running on oeis4.)