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A299193
Number of nX7 0..1 arrays with every element equal to 0, 1, 3, 4, 6 or 7 king-move adjacent elements, with upper left element zero.
1
21, 203, 129, 2466, 25097, 80188, 848789, 8080772, 44495267, 401953734, 3543442090, 25212181714, 216188808140, 1850221884503, 14678677380641, 124620964817279, 1059123538097555, 8784723556861615, 74638466920690089
OFFSET
1,1
COMMENTS
Column 7 of A299194.
LINKS
EXAMPLE
Some solutions for n=5
..0..0..0..0..0..1..1. .0..1..1..0..0..1..1. .0..1..0..1..0..0..1
..0..0..1..1..0..0..0. .0..1..1..0..0..0..0. .0..1..0..1..0..0..1
..1..1..1..1..1..1..1. .0..0..0..0..0..0..0. .0..0..0..0..0..0..0
..1..1..1..0..1..0..0. .0..0..0..0..0..1..1. .0..0..0..0..0..0..0
..0..0..1..1..1..1..1. .1..0..1..1..0..0..0. .1..0..0..1..1..0..1
CROSSREFS
Cf. A299194.
Sequence in context: A298500 A298319 A299392 * A300029 A339521 A160768
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 04 2018
STATUS
approved