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A300263 Number of nX4 0..1 arrays with every element equal to 0, 1, 2, 3, 5, 6, 7 or 8 king-move adjacent elements, with upper left element zero. 1
8, 88, 375, 2030, 12324, 71529, 412094, 2398145, 13965762, 81253079, 472851402, 2752482575, 16022640154, 93271665191, 542972865898, 3160919044027, 18401442719156, 107125485995213, 623642100886430, 3630605618341821 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 4 of A300267.

LINKS

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

R. H. Hardin, Empirical recurrence of order 64

FORMULA

Empirical recurrence of order 64 (see link above)

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A300267.

Sequence in context: A299004 A299671 A299749 * A030984 A109021 A271939

Adjacent sequences:  A300260 A300261 A300262 * A300264 A300265 A300266

KEYWORD

nonn

AUTHOR

R. H. Hardin, Mar 01 2018

STATUS

approved

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Last modified April 26 08:05 EDT 2019. Contains 322472 sequences. (Running on oeis4.)