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A316875 Number of nX7 0..1 arrays with every element unequal to 0, 1, 2, 3, 5, 6 or 7 king-move adjacent elements, with upper left element zero. 1
64, 1709, 36900, 871345, 19933839, 486546897, 11836970493, 286716424150, 6977675255288, 170015938697302, 4138167646465313, 100724821265896610, 2452502487475584970, 59712288213161682740, 1453740520399913939989 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 7 of A316876.
LINKS
EXAMPLE
Some solutions for n=5
..0..0..0..0..1..1..0. .0..0..1..0..0..1..1. .0..0..0..0..0..0..0
..0..0..0..0..1..0..1. .0..0..0..0..1..1..1. .0..0..0..0..1..1..0
..0..0..0..0..1..0..1. .0..0..0..0..1..0..1. .0..0..0..0..0..1..1
..0..0..0..0..1..1..1. .0..0..0..0..1..0..1. .0..0..0..0..0..0..0
..0..0..0..0..1..0..1. .0..0..0..0..1..1..1. .0..0..0..0..0..0..0
CROSSREFS
Cf. A316876.
Sequence in context: A317124 A305592 A317010 * A317603 A269660 A234240
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jul 15 2018
STATUS
approved

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Last modified March 28 20:05 EDT 2024. Contains 371254 sequences. (Running on oeis4.)