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A298833 Number of nX7 0..1 arrays with every element equal to 1, 3, 4, 5 or 8 king-move adjacent elements, with upper left element zero. 1
0, 240, 60, 2774, 27915, 226883, 5097700, 70784399, 995832826, 17401811425, 288129465222, 4336914140747, 73188995403769, 1218049349765186, 19154346227374288, 317120961246926128, 5242138886321970318 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Column 7 of A298834.

LINKS

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

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A298834.

Sequence in context: A072173 A282230 A015161 * A298621 A299587 A078151

Adjacent sequences: A298830 A298831 A298832 * A298834 A298835 A298836

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 27 2018

STATUS

approved

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Last modified December 8 21:28 EST 2022. Contains 358698 sequences. (Running on oeis4.)