login
A299248
Number of nX7 0..1 arrays with every element equal to 0, 2, 3, 5, 6 or 7 king-move adjacent elements, with upper left element zero.
1
1, 130, 202, 2002, 21251, 223750, 2044405, 21212789, 227105938, 2271071651, 23645777755, 246352885297, 2552827451230, 26493876070013, 275607234143594, 2866930315549461, 29800020165962133, 310027901670675161
OFFSET
1,2
COMMENTS
Column 7 of A299249.
LINKS
EXAMPLE
Some solutions for n=5
..0..0..1..1..0..1..0. .0..1..1..0..1..0..0. .0..0..1..0..1..0..0
..1..0..0..1..1..1..1. .1..1..0..0..0..0..1. .0..1..1..1..1..1..0
..1..1..1..1..1..1..0. .0..0..0..0..0..0..0. .1..1..1..0..0..0..1
..1..0..1..1..1..0..0. .0..1..0..1..1..0..1. .0..0..1..0..1..1..1
..0..0..1..0..1..1..0. .1..1..0..0..1..0..0. .1..0..0..1..1..0..1
CROSSREFS
Cf. A299249.
Sequence in context: A115937 A365833 A298381 * A299457 A300095 A138482
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 05 2018
STATUS
approved