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A298962 Number of nX7 0..1 arrays with every element equal to 3, 5, 6, 7 or 8 king-move adjacent elements, with upper left element zero. 1
0, 8, 8, 75, 230, 1144, 4263, 18517, 75262, 317141, 1307739, 5446889, 22584896, 93917334, 389965508, 1620245230, 6729536166, 27956779018, 116131464818, 482427395426, 2004019363266, 8324893628475, 34582253578090, 143657911533546 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
Column 7 of A298963.
LINKS
EXAMPLE
Some solutions for n=5
..0..0..0..0..0..1..1. .0..0..1..1..0..0..0. .0..0..1..1..1..0..0
..0..0..0..0..0..1..1. .0..0..1..1..0..0..0. .0..0..1..1..1..0..0
..0..0..0..0..0..0..0. .1..1..1..1..0..0..0. .0..0..1..1..1..0..0
..1..1..1..1..0..0..0. .1..1..1..1..1..1..1. .0..0..1..1..1..1..1
..1..1..1..1..0..0..0. .1..1..1..1..1..1..1. .0..0..1..1..1..1..1
CROSSREFS
Cf. A298963.
Sequence in context: A272961 A117861 A186984 * A082798 A286068 A228071
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 30 2018
STATUS
approved

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Last modified July 14 02:38 EDT 2024. Contains 374291 sequences. (Running on oeis4.)