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A300112
Number of nX5 0..1 arrays with every element equal to 1, 2, 4, 5, 6, 7 or 8 king-move adjacent elements, with upper left element zero.
1
3, 23, 63, 515, 3776, 28935, 212470, 1560065, 11874071, 89657570, 673151916, 5084857810, 38419116117, 289855498173, 2187847733010, 16520252054586, 124719171802820, 941517564864563, 7108226078494466, 53665231758411540
OFFSET
1,1
COMMENTS
Column 5 of A300115.
LINKS
EXAMPLE
Some solutions for n=5
..0..1..0..0..1. .0..1..0..0..1. .0..0..0..1..0. .0..0..0..1..1
..0..1..0..1..1. .0..1..1..1..1. .1..0..0..0..1. .1..1..1..0..0
..0..1..0..0..0. .0..1..1..0..0. .1..0..0..0..1. .0..0..0..0..1
..1..0..0..1..1. .1..1..1..1..1. .1..0..0..1..0. .1..1..1..0..1
..0..0..0..0..1. .0..0..0..0..1. .0..1..0..1..0. .0..0..0..1..0
CROSSREFS
Cf. A300115.
Sequence in context: A298393 A299511 A299311 * A183332 A358422 A196325
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 25 2018
STATUS
approved