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A306128 Number of nX7 0..1 arrays with every element unequal to 0, 1, 3, 4, 6 or 7 king-move adjacent elements, with upper left element zero. 1
21, 127, 147, 964, 4441, 21926, 143839, 968676, 6409145, 45379428, 328326110, 2360961270, 17104751258, 124782354715, 911201231102, 6655342338894, 48670576300697, 356230786023762, 2607478451935215, 19088148039180636 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A306129.

LINKS

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

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A306129.

Sequence in context: A305251 A316551 A304543 * A316310 A317265 A213565

Adjacent sequences:  A306125 A306126 A306127 * A306129 A306130 A306131

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jun 22 2018

STATUS

approved

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Last modified August 19 18:30 EDT 2022. Contains 356229 sequences. (Running on oeis4.)