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A298443
Number of nX7 0..1 arrays with every element equal to 0, 3, 4, 5 or 6 king-move adjacent elements, with upper left element zero.
1
1, 22, 86, 406, 3963, 72509, 610525, 9392919, 119508030, 1732328018, 23999922911, 340723206746, 4837106387318, 68861322126222, 979990257263793, 13966057949592703, 199007337584181820, 2836767273608895105
OFFSET
1,2
COMMENTS
Column 7 of A298444.
LINKS
EXAMPLE
Some solutions for n=5
..0..1..1..0..0..0..1. .0..0..1..1..0..1..0. .0..1..0..1..1..1..1
..1..1..1..0..0..0..0. .0..0..1..1..1..1..1. .1..1..1..1..1..1..1
..0..1..1..1..1..0..0. .0..0..1..0..1..0..1. .1..1..0..0..1..0..0
..1..1..0..0..1..1..1. .0..0..1..1..1..1..1. .1..1..0..0..0..0..0
..1..1..0..0..1..1..1. .0..0..1..1..0..1..0. .1..1..0..0..1..0..0
CROSSREFS
Cf. A298444.
Sequence in context: A044209 A044590 A125243 * A197720 A195323 A041940
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 19 2018
STATUS
approved