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A297958 Number of nX7 0..1 arrays with every element equal to 1, 2, 4 or 5 king-move adjacent elements, with upper left element zero. 1
8, 99, 245, 2359, 11623, 61204, 483929, 2884282, 18478260, 127847471, 829387894, 5485155575, 36667835017, 242733743793, 1613325886315, 10720998638200, 71201535319957, 473312060554166, 3144232961120243, 20890896841356141 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A297959.

LINKS

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

EXAMPLE

Some solutions for n=6

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

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

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

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

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

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

CROSSREFS

Cf. A297959.

Sequence in context: A228794 A211869 A159232 * A298774 A298581 A299573

Adjacent sequences: A297955 A297956 A297957 * A297959 A297960 A297961

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 09 2018

STATUS

approved

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Last modified February 3 08:31 EST 2023. Contains 360034 sequences. (Running on oeis4.)