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A298886 Number of nX6 0..1 arrays with every element equal to 1, 2, 4, 6 or 8 king-move adjacent elements, with upper left element zero. 1
5, 49, 34, 141, 243, 516, 814, 1646, 3312, 6565, 13040, 25941, 51679, 103895, 205265, 411011, 821599, 1643914, 3279755, 6573928, 13136700, 26293574, 52604464, 105288984, 210671989, 421821199, 844171966, 1689881070, 3382803573 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A298888.

LINKS

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

EXAMPLE

Some solutions for n=7

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

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

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

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

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

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

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

CROSSREFS

Cf. A298888.

Sequence in context: A297856 A298091 A298053 * A298658 A299610 A297957

Adjacent sequences:  A298883 A298884 A298885 * A298887 A298888 A298889

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 28 2018

STATUS

approved

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Last modified January 19 19:33 EST 2022. Contains 350466 sequences. (Running on oeis4.)