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A298084
Number of nX5 0..1 arrays with every element equal to 2, 3, 5 or 6 king-move adjacent elements, with upper left element zero.
1
0, 11, 1, 28, 154, 520, 1574, 7204, 28790, 105055, 437163, 1792603, 6981116, 28580319, 115795593, 464405679, 1883192839, 7625910371, 30781567549, 124586304213, 504301473498, 2038932788749, 8250005089404, 33384996732923
OFFSET
1,2
COMMENTS
Column 5 of A298087.
LINKS
EXAMPLE
Some solutions for n=7
..0..0..1..0..0. .0..0..1..0..0. .0..0..0..0..0. .0..0..0..1..1
..0..0..1..1..0. .0..1..0..1..0. .0..0..0..0..0. .0..1..1..0..1
..1..1..1..1..1. .1..0..0..0..1. .1..1..0..1..1. .0..1..0..0..1
..1..0..1..0..1. .1..0..0..0..1. .1..0..0..1..0. .0..0..1..1..1
..0..0..0..0..1. .0..1..0..1..0. .0..0..0..0..0. .1..1..1..1..0
..0..1..0..1..1. .1..0..0..1..0. .1..0..0..1..1. .0..1..1..0..0
..1..1..0..0..1. .1..1..1..0..0. .1..1..0..1..1. .0..0..1..1..0
CROSSREFS
Cf. A298087.
Sequence in context: A014467 A174221 A194039 * A275304 A245677 A182041
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 12 2018
STATUS
approved