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A300088
Number of nX7 0..1 arrays with every element equal to 0, 1, 3, 5, 6, 7 or 8 king-move adjacent elements, with upper left element zero.
1
21, 64, 19, 359, 3089, 13646, 167131, 1179926, 7203918, 75245386, 508116867, 3750027371, 34007995888, 237070967056, 1896875784101, 15835534124727, 116172506766693, 951502244265963, 7649922105057405, 58629569564622365
OFFSET
1,1
COMMENTS
Column 7 of A300089.
LINKS
EXAMPLE
Some solutions for n=5
..0..1..0..1..0..1..1. .0..0..1..1..1..1..0. .0..1..0..1..0..1..0
..1..0..0..0..0..0..0. .0..0..1..1..1..1..0. .1..0..0..0..0..0..1
..0..0..0..0..0..0..0. .0..0..1..1..1..1..1. .1..1..1..1..0..0..0
..1..0..0..0..0..0..0. .1..1..1..1..1..0..1. .0..1..1..1..0..0..1
..0..1..0..1..0..1..1. .1..1..1..1..1..0..1. .0..1..1..1..0..0..1
CROSSREFS
Cf. A300089.
Sequence in context: A072395 A113781 A299450 * A033481 A041862 A041860
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 24 2018
STATUS
approved