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A304925 Number of nX7 0..1 arrays with every element unequal to 0, 1, 2, 5 or 7 king-move adjacent elements, with upper left element zero. 1
64, 101, 466, 2510, 16158, 104451, 649029, 4123792, 26044218, 164807242, 1044534208, 6613431999, 41884985873, 265314965161, 1680416845681, 10643571331212, 67416006000459, 427006099213009, 2704626555301813 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 7 of A304926.
LINKS
EXAMPLE
Some solutions for n=5
..0..0..1..0..0..0..0. .0..0..0..0..0..0..0. .0..0..1..0..0..1..0
..0..0..0..0..0..0..1. .0..0..0..0..0..0..1. .1..0..0..0..0..0..0
..0..0..0..0..0..0..0. .0..1..1..0..0..0..0. .0..0..0..0..0..0..1
..0..1..1..0..0..0..0. .0..0..0..0..0..0..0. .0..1..0..0..0..0..0
..0..1..1..0..0..1..0. .0..0..0..0..1..0..0. .1..0..0..0..0..0..0
CROSSREFS
Cf. A304926.
Sequence in context: A303960 A304603 A305339 * A316419 A306165 A317382
KEYWORD
nonn
AUTHOR
R. H. Hardin, May 21 2018
STATUS
approved

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Last modified May 19 06:35 EDT 2024. Contains 372666 sequences. (Running on oeis4.)