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A299397
Number of nX7 0..1 arrays with every element equal to 1, 2, 3, 4, 6 or 8 king-move adjacent elements, with upper left element zero.
1
8, 2907, 124972, 4442111, 166665723, 6375889022, 242153450727, 9202140590865, 349916213368020, 13303827578632449, 505801858086375486, 19230927942036227361, 731172536093629672680, 27799589587536236584493
OFFSET
1,1
COMMENTS
Column 7 of A299398.
LINKS
EXAMPLE
Some solutions for n=5
..0..1..1..1..1..0..1. .0..0..1..1..0..1..0. .0..0..1..0..0..0..1
..0..1..0..1..0..0..1. .0..1..0..0..1..0..1. .0..1..0..1..1..1..0
..0..1..0..1..0..1..0. .0..1..0..1..0..1..0. .0..1..0..0..0..1..1
..0..0..0..0..1..1..1. .0..0..0..1..0..0..0. .0..0..0..1..1..0..0
..0..0..1..1..0..0..0. .0..0..1..1..1..0..0. .0..0..1..1..0..1..0
CROSSREFS
Cf. A299398.
Sequence in context: A297922 A298546 A298336 * A299227 A300039 A282187
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 09 2018
STATUS
approved