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A298781
Number of nX7 0..1 arrays with every element equal to 0, 3, 4, 5 or 8 king-move adjacent elements, with upper left element zero.
1
1, 22, 8, 76, 139, 2607, 9889, 75446, 868689, 7675611, 76328995, 771602616, 7685566410, 77998227871, 785605065928, 7947378593295, 80347627263007, 812287066601605, 8214879671287792, 83066600919438416, 840020904456433023
OFFSET
1,2
COMMENTS
Column 7 of A298782.
LINKS
EXAMPLE
Some solutions for n=5
..0..0..1..0..0..0..0. .0..0..1..1..1..0..0. .0..0..1..1..1..0..0
..0..0..0..0..0..0..0. .0..0..1..1..1..0..0. .0..0..1..1..1..0..0
..1..1..1..1..1..1..1. .1..0..1..1..1..0..1. .1..1..0..0..0..1..1
..1..1..1..1..1..1..1. .0..0..1..1..1..0..0. .1..1..0..0..0..1..1
..1..1..1..1..1..1..1. .0..0..1..1..1..0..0. .1..1..0..0..0..1..1
CROSSREFS
Cf. A298782.
Sequence in context: A298145 A298176 A113783 * A058402 A248032 A068611
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 26 2018
STATUS
approved