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A298293 Number of nX7 0..1 arrays with every element equal to 0, 1, 2, 4 or 6 king-move adjacent elements, with upper left element zero. 1
64, 301, 115, 448, 1084, 1798, 4679, 10688, 22503, 53875, 123435, 278930, 642076, 1469878, 3378674, 7738804, 17769468, 40807932, 93610115, 214883906, 493564409, 1132812315, 2601500535, 5974070555, 13717158924, 31501633865, 72344724752 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A298294.

LINKS

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

EXAMPLE

Some solutions for n=7

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

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

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

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

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

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

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

CROSSREFS

Cf. A298294.

Sequence in context: A297699 A297888 A298493 * A299387 A299186 A299947

Adjacent sequences:  A298290 A298291 A298292 * A298294 A298295 A298296

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 16 2018

STATUS

approved

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Last modified November 30 16:23 EST 2021. Contains 349423 sequences. (Running on oeis4.)