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A298658 Number of nX6 0..1 arrays with every element equal to 1, 2, 4, 6 or 7 king-move adjacent elements, with upper left element zero. 1
5, 49, 34, 173, 431, 1116, 2562, 6711, 17405, 48462, 125671, 334571, 901387, 2398458, 6398293, 17158639, 45911441, 122885609, 329214517, 881849126, 2361859125, 6328533398, 16955926709, 45429854362, 121730159805, 326179436515 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A298660.

LINKS

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

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A298660.

Sequence in context: A298091 A298053 A298886 * A299610 A297957 A298773

Adjacent sequences:  A298655 A298656 A298657 * A298659 A298660 A298661

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 24 2018

STATUS

approved

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Last modified June 24 19:55 EDT 2021. Contains 345425 sequences. (Running on oeis4.)