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A298493 Number of nX7 0..1 arrays with every element equal to 0, 1, 2, 4 or 7 king-move adjacent elements, with upper left element zero. 1
64, 301, 106, 263, 423, 434, 628, 1067, 1267, 1943, 2973, 4583, 6623, 10201, 15735, 23607, 37154, 58435, 88164, 137819, 219204, 340356, 535357, 850699, 1322494, 2078738, 3327832, 5245963, 8287617, 13211475, 20828700, 33025517, 52829061 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A298494.

LINKS

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

EXAMPLE

Some solutions for n=9

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

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

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

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

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

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

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

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

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

CROSSREFS

Cf. A298494.

Sequence in context: A297462 A297699 A297888 * A298293 A299387 A299186

Adjacent sequences:  A298490 A298491 A298492 * A298494 A298495 A298496

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 20 2018

STATUS

approved

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Last modified September 25 10:30 EDT 2020. Contains 337337 sequences. (Running on oeis4.)