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A298579 Number of nX5 0..1 arrays with every element equal to 1, 2, 4, 5 or 7 king-move adjacent elements, with upper left element zero. 1
3, 23, 47, 237, 765, 3284, 14482, 53272, 215514, 912084, 3648248, 14687047, 60203513, 245335061, 994616646, 4046916244, 16494072611, 67083379987, 272827461209, 1110711231219, 4520415462039, 18391763438584, 74846658443216 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A298582.

LINKS

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

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A298582.

Sequence in context: A107169 A297956 A298772 * A299571 A032003 A031907

Adjacent sequences:  A298576 A298577 A298578 * A298580 A298581 A298582

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 22 2018

STATUS

approved

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Last modified October 7 04:30 EDT 2022. Contains 357270 sequences. (Running on oeis4.)