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A295845
Number of n X 6 0..1 arrays with each 1 adjacent to 1 or 2 king-move neighboring 1's.
1
21, 789, 9645, 190943, 3804661, 68406015, 1296880337, 24467737897, 457692634063, 8608718745329, 161762366006125, 3037600586563709, 57071758962259963, 1072139556077836073, 20140121314504297621, 378351575243122525707
OFFSET
1,1
COMMENTS
Column 6 of A295847.
FORMULA
Empirical recurrence of order 73 (see link above).
EXAMPLE
Some solutions for n=4
..0..0..0..0..0..1. .0..0..1..1..0..0. .0..0..1..1..0..1. .1..1..0..0..0..0
..0..0..0..1..0..1. .0..1..0..0..0..0. .0..1..0..0..0..1. .0..0..0..0..0..1
..0..0..0..1..0..0. .0..0..0..1..0..0. .0..1..0..0..0..0. .1..1..0..1..0..1
..1..1..0..1..0..0. .0..0..1..1..0..0. .0..0..0..0..0..0. .0..0..0..1..0..1
CROSSREFS
Cf. A295847.
Sequence in context: A012645 A220069 A028469 * A366301 A119414 A012819
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 29 2017
STATUS
approved