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A298327 Number of nX7 0..1 arrays with every element equal to 0, 2, 3, 4 or 6 king-move adjacent elements, with upper left element zero. 1
1, 864, 4503, 73321, 1664958, 41029614, 1019874462, 25083063173, 624245464335, 15598034954101, 388988964596716, 9711122438159184, 242494107685504393, 6055035893918431953, 151200414910757899090, 3775675375730086694210 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Column 7 of A298328.

LINKS

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

EXAMPLE

Some solutions for n=4

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

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

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

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

CROSSREFS

Cf. A298328.

Sequence in context: A297914 A298507 A097982 * A299220 A300034 A064321

Adjacent sequences:  A298324 A298325 A298326 * A298328 A298329 A298330

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 17 2018

STATUS

approved

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Last modified June 6 01:16 EDT 2020. Contains 334858 sequences. (Running on oeis4.)