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A299875 Number of nX4 0..1 arrays with every element equal to 0, 1, 2, 4, 5, 7 or 8 king-move adjacent elements, with upper left element zero. 1
8, 29, 41, 125, 585, 1974, 6542, 24545, 89192, 314259, 1128245, 4079503, 14634597, 52444291, 188594973, 678001937, 2434026544, 8742984292, 31418755932, 112865079546, 405419489351, 1456549048305, 5232786086738, 18798220721187 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 4 of A299879.

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

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

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

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

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

CROSSREFS

Cf. A299879.

Sequence in context: A115107 A298217 A299093 * A035339 A034167 A299011

Adjacent sequences:  A299872 A299873 A299874 * A299876 A299877 A299878

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 21 2018

STATUS

approved

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Last modified July 3 08:16 EDT 2022. Contains 355031 sequences. (Running on oeis4.)