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A298659 Number of nX7 0..1 arrays with every element equal to 1, 2, 4, 6 or 7 king-move adjacent elements, with upper left element zero. 1
8, 95, 63, 322, 876, 2562, 7964, 24801, 74358, 242072, 745571, 2349275, 7433849, 23406485, 73834463, 233339001, 735993576, 2324359169, 7339529089, 23174991985, 73178503209, 231090268648, 729735594047, 2304427312579, 7277098813048 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 7 of A298660.
LINKS
EXAMPLE
Some solutions for n=5
..0..1..1..0..0..0..1. .0..0..1..0..0..0..1. .0..1..0..1..0..0..1
..1..0..0..0..0..1..1. .1..1..0..0..0..1..1. .1..0..1..0..1..1..1
..1..0..0..0..0..0..0. .0..0..0..0..0..0..0. .1..0..0..0..1..1..1
..1..0..1..0..1..0..1. .1..0..1..0..1..0..1. .1..0..0..0..1..0..1
..0..0..1..0..1..0..1. .1..0..1..0..1..0..1. .0..0..0..1..1..0..0
CROSSREFS
Cf. A298660.
Sequence in context: A298092 A298054 A298887 * A299611 A099298 A182648
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 24 2018
STATUS
approved

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Last modified April 13 20:16 EDT 2024. Contains 371645 sequences. (Running on oeis4.)