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A283662 Number of nX4 0..1 arrays with no element unequal to more than four of its king-move neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards. 1
0, 0, 403, 11886, 165152, 1712052, 15351085, 126810474, 989755263, 7421134282, 53972500634, 383258656118, 2669593728208, 18301919622500, 123810569805676, 828107771754630, 5484831030514008, 36019172324299540, 234771330638001725 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

COMMENTS

Column 4 of A283666.

LINKS

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

R. H. Hardin, Empirical recurrence of order 84

FORMULA

Empirical recurrence of order 84 (see link above)

EXAMPLE

Some solutions for n=4

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

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

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

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

CROSSREFS

Cf. A283666.

Sequence in context: A250893 A261857 A165808 * A097741 A117836 A185640

Adjacent sequences:  A283659 A283660 A283661 * A283663 A283664 A283665

KEYWORD

nonn

AUTHOR

R. H. Hardin, Mar 13 2017

STATUS

approved

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Last modified April 25 23:48 EDT 2019. Contains 322465 sequences. (Running on oeis4.)