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A306128
Number of nX7 0..1 arrays with every element unequal to 0, 1, 3, 4, 6 or 7 king-move adjacent elements, with upper left element zero.
1
21, 127, 147, 964, 4441, 21926, 143839, 968676, 6409145, 45379428, 328326110, 2360961270, 17104751258, 124782354715, 911201231102, 6655342338894, 48670576300697, 356230786023762, 2607478451935215, 19088148039180636
OFFSET
1,1
COMMENTS
Column 7 of A306129.
LINKS
EXAMPLE
Some solutions for n=5
..0..0..0..0..0..0..0. .0..0..1..0..1..0..1. .0..1..0..1..1..1..1
..0..0..0..0..0..0..0. .0..1..1..0..0..1..1. .1..1..0..0..1..1..0
..1..0..0..0..0..0..1. .0..0..0..0..1..0..0. .1..1..0..0..0..0..0
..0..1..1..1..1..1..0. .1..1..0..1..0..0..1. .1..1..0..1..1..0..0
..1..1..1..1..1..1..1. .1..0..0..1..0..1..1. .1..0..0..1..0..0..0
CROSSREFS
Cf. A306129.
Sequence in context: A305251 A316551 A304543 * A316310 A317265 A213565
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jun 22 2018
STATUS
approved