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A298774
Number of nX7 0..1 arrays with every element equal to 1, 2, 4, 5 or 8 king-move adjacent elements, with upper left element zero.
1
8, 99, 245, 2359, 11657, 61333, 484813, 2887678, 18497464, 127977516, 830209200, 5490680497, 36705295118, 242989778508, 1615075659957, 10732935729937, 71283281214068, 473870950797066, 3148048592750846, 20916953345403645
OFFSET
1,1
COMMENTS
Column 7 of A298775.
LINKS
EXAMPLE
Some solutions for n=6
..0..1..0..0..0..0..1. .0..1..1..1..1..1..0. .0..1..0..0..0..0..1
..0..0..1..1..1..1..0. .1..0..0..0..0..0..1. .1..0..0..0..1..0..1
..0..0..1..1..1..1..0. .1..0..0..0..0..0..1. .0..1..1..1..0..0..1
..0..0..1..1..1..1..0. .1..0..0..0..0..0..1. .0..1..1..1..0..0..1
..0..0..1..1..1..1..0. .0..1..1..1..1..1..0. .0..1..1..1..0..0..1
..0..1..0..0..0..0..1. .1..0..1..1..1..1..1. .1..0..0..0..1..1..0
CROSSREFS
Cf. A298775.
Sequence in context: A211869 A159232 A297958 * A298581 A299573 A298395
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 26 2018
STATUS
approved