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A296383
Number of nX5 0..1 arrays with each 1 horizontally, vertically or antidiagonally adjacent to 1 or 2 neighboring 1s.
1
12, 279, 3237, 46786, 684894, 9703136, 138882856, 1988460073, 28434977556, 406767417152, 5818925733643, 83238336337490, 1190717388286525, 17033109463003760, 243656936768672621, 3485489409353859474
OFFSET
1,1
COMMENTS
Column 5 of A296386.
FORMULA
Empirical recurrence of order 92 (see link above)
EXAMPLE
Some solutions for n=5
..0..0..0..0..1. .1..0..0..0..0. .0..0..0..0..0. .1..0..0..0..0
..0..0..0..1..1. .1..1..0..0..0. .0..0..0..1..0. .1..0..0..1..1
..1..0..0..0..0. .0..1..1..0..1. .1..0..1..0..0. .0..0..0..0..0
..1..0..1..0..0. .0..0..0..1..1. .1..0..0..0..1. .0..1..1..0..0
..1..0..1..1..1. .1..1..0..0..0. .0..0..0..1..1. .0..0..0..0..0
CROSSREFS
Cf. A296386.
Sequence in context: A169961 A363384 A220383 * A296640 A239780 A351765
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 11 2017
STATUS
approved