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A298716 Number of nX5 0..1 arrays with every element equal to 2, 3, 4, 6 or 7 king-move adjacent elements, with upper left element zero. 1
0, 10, 63, 346, 3508, 34704, 309593, 2960634, 27934888, 265454828, 2518958779, 23904132070, 227038517931, 2155865905516, 20471559784593, 194404183107602, 1846100569583663, 17531009460252304, 166478738684389946 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
Column 5 of A298719.
LINKS
EXAMPLE
Some solutions for n=5
..0..0..1..0..0. .0..0..0..0..0. .0..0..1..0..0. .0..0..0..0..0
..0..1..0..1..0. .0..1..1..1..0. .0..1..1..1..0. .0..1..0..1..0
..0..1..1..1..0. .1..1..1..0..0. .0..1..1..1..0. .0..1..1..1..0
..0..1..1..1..0. .0..1..1..1..0. .0..1..0..1..0. .0..1..1..1..0
..0..0..1..0..0. .0..0..0..0..0. .0..0..1..0..0. .0..0..1..0..0
CROSSREFS
Cf. A298719.
Sequence in context: A145885 A093953 A298067 * A271754 A075755 A046638
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 25 2018
STATUS
approved

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Last modified June 19 09:37 EDT 2024. Contains 373501 sequences. (Running on oeis4.)