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A297746
Number of nX5 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 1, 3 or 4 neighboring 1s.
1
6, 71, 452, 3780, 34159, 290114, 2561262, 22815719, 202611948, 1807370198, 16146421069, 144281073566, 1289983649102, 11536495661767, 103185404346652, 922989840294958, 8256506215457397, 73860026738425420, 660736505309331646
OFFSET
1,1
COMMENTS
Column 5 of A297749.
FORMULA
Empirical recurrence of order 77 (see link above)
EXAMPLE
Some solutions for n=5
..0..0..1..0..1. .0..1..1..0..0. .0..1..1..0..0. .1..1..0..0..0
..0..0..1..1..1. .0..0..0..0..1. .0..0..0..0..0. .0..0..0..0..0
..0..0..0..0..0. .0..1..0..1..1. .0..0..0..0..0. .0..0..0..0..1
..1..1..1..0..0. .0..0..1..0..0. .0..1..0..0..1. .0..0..0..1..1
..1..0..0..0..0. .0..0..1..1..1. .1..0..0..1..0. .1..1..0..0..1
CROSSREFS
Cf. A297749.
Sequence in context: A284215 A050788 A241883 * A027317 A283342 A099339
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 05 2018
STATUS
approved