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A283665 Number of nX7 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, 264, 376594, 15351085, 387076338, 7883014615, 140913280266, 2326415367317, 36332244115510, 545100865508798, 7936175643012759, 112838485787858089, 1574294739609758663, 21624782468994463462, 293202298856554538798 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Column 7 of A283666.

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..42

EXAMPLE

Some solutions for n=2

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

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

CROSSREFS

Cf. A283666.

Sequence in context: A116501 A289745 A289639 * A151602 A051976 A255085

Adjacent sequences:  A283662 A283663 A283664 * A283666 A283667 A283668

KEYWORD

nonn

AUTHOR

R. H. Hardin, Mar 13 2017

STATUS

approved

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Last modified August 13 19:30 EDT 2020. Contains 336451 sequences. (Running on oeis4.)