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A299843 Number of nX7 0..1 arrays with every element equal to 0, 1, 2, 3, 4, 7 or 8 king-move adjacent elements, with upper left element zero. 1
64, 7181, 175286, 5966905, 209649848, 7216925214, 250915415042, 8769920586285, 306309096924610, 10700124572845331, 373936238556214822, 13068520058247622630, 456719694485916765088, 15961828473698137787106 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A299844.

LINKS

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

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A299844.

Sequence in context: A223198 A281836 A299080 * A299000 A299745 A299667

Adjacent sequences: A299840 A299841 A299842 * A299844 A299845 A299846

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 20 2018

STATUS

approved

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Last modified January 30 22:45 EST 2023. Contains 359947 sequences. (Running on oeis4.)