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A298574
Number of nX7 0..1 arrays with every element equal to 0, 2, 4, 5 or 7 king-move adjacent elements, with upper left element zero.
1
1, 100, 12, 70, 1055, 604, 2888, 28278, 43961, 164865, 1297974, 3202666, 11272019, 75646978, 235917037, 836719290, 4928659404, 17526001960, 63801490008, 339718940939, 1304647958959, 4885784115965, 24153867743517, 97062560996428
OFFSET
1,2
COMMENTS
Column 7 of A298575.
LINKS
EXAMPLE
Some solutions for n=5
..0..0..0..0..0..0..1. .0..1..0..1..1..1..0. .0..1..1..0..1..1..1
..0..1..0..0..0..1..1. .1..1..0..0..1..1..1. .1..1..1..1..1..1..0
..1..1..0..1..0..1..1. .1..1..1..1..1..1..1. .0..0..0..0..0..0..0
..1..1..0..0..0..1..0. .1..1..1..0..0..1..1. .1..0..0..0..0..1..1
..1..0..0..0..0..0..0. .0..1..1..1..0..1..0. .0..0..0..1..0..1..0
CROSSREFS
Cf. A298575.
Sequence in context: A286639 A288358 A266254 * A077489 A371993 A153674
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 22 2018
STATUS
approved