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A298336
Number of n X 7 0..1 arrays with every element equal to 1, 2, 3, 4 or 6 king-move adjacent elements, with upper left element zero.
1
8, 2907, 124972, 4442111, 166636876, 6373591375, 242019919082, 9195408207604, 349596064308984, 13289221930157480, 505154202939902297, 19202793498324482545, 729969404353402609142, 27748773715560235983333
OFFSET
1,1
COMMENTS
Column 7 of A298337.
LINKS
EXAMPLE
Some solutions for n=5
..0..1..0..0..1..1..0. .0..0..1..0..1..1..0. .0..0..1..0..0..0..0
..0..1..0..1..0..0..0. .0..1..0..1..0..0..0. .0..1..0..1..1..1..1
..0..1..0..1..1..1..1. .0..1..0..1..1..1..0. .0..1..0..0..1..0..0
..0..0..0..0..0..0..1. .0..0..0..0..0..1..0. .0..0..0..1..1..1..1
..0..0..1..1..1..0..0. .0..0..1..1..0..0..1. .0..0..1..1..0..0..1
CROSSREFS
Cf. A298337.
Sequence in context: A125539 A297922 A298546 * A299397 A299227 A300039
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 17 2018
STATUS
approved