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A295916
Number of nX6 0..1 arrays with each 1 adjacent to 0 or 3 king-move neighboring 1s.
1
21, 129, 993, 7604, 56955, 431844, 3261576, 24650278, 186318117, 1408100748, 10642345790, 80432918689, 607898868394, 4594402941159, 34723747771300, 262436478814437, 1983452417015597, 14990612333683132, 113296622100170154
OFFSET
1,1
COMMENTS
Column 6 of A295918.
FORMULA
Empirical recurrence of order 92 (see link above)
EXAMPLE
Some solutions for n=5
..1..0..1..0..1..0. .0..0..0..0..0..0. .1..0..0..0..0..1. .0..0..0..0..0..0
..0..0..0..0..0..0. .1..0..1..0..0..0. .0..0..0..0..0..0. .0..0..1..0..1..0
..0..1..0..1..0..0. .0..0..0..0..0..1. .1..1..0..0..0..1. .0..0..0..0..0..0
..0..0..0..0..0..0. .1..0..0..0..0..0. .1..1..0..0..0..0. .0..0..0..0..1..1
..1..0..1..0..1..0. .0..0..1..0..1..0. .0..0..0..1..0..0. .0..0..0..0..1..1
CROSSREFS
Cf. A295918.
Sequence in context: A213565 A041852 A220712 * A124117 A219926 A219739
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 29 2017
STATUS
approved