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A316454 Number of nX7 0..1 arrays with every element unequal to 1, 2, 4, 5, 6 or 8 king-move adjacent elements, with upper left element zero. 1
8, 306, 272, 3223, 29406, 349456, 4145337, 44700278, 711845805, 9122685519, 114303687154, 1698240252124, 22458444584840, 296936468898912, 4210496325368848, 56486583562161446, 761677516352617045 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 7 of A316455.
LINKS
EXAMPLE
Some solutions for n=5
..0..0..0..0..0..1..1. .0..0..1..1..0..1..1. .0..1..0..1..0..1..0
..1..0..1..0..1..0..1. .1..1..1..1..1..0..1. .1..0..0..0..0..0..1
..0..1..1..0..1..0..1. .0..0..1..1..0..0..1. .0..0..0..0..0..0..0
..0..0..1..0..1..0..0. .0..0..1..1..1..1..1. .1..0..0..1..0..1..0
..0..1..0..0..0..1..0. .1..1..1..1..0..0..1. .1..0..0..0..0..0..0
CROSSREFS
Cf. A316455.
Sequence in context: A304057 A305451 A304703 * A305014 A316647 A316175
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jul 03 2018
STATUS
approved

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Last modified July 22 00:58 EDT 2024. Contains 374478 sequences. (Running on oeis4.)