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A297318
Number of 5Xn 0..1 arrays with every 1 horizontally or antidiagonally adjacent to 1 or 2 neighboring 1s.
1
1, 200, 3159, 29212, 484808, 8273245, 121339476, 1815438259, 27950049482, 426949482189, 6494779570376, 98961790075322, 1508712969034695, 22994788538451691, 350445360895775177, 5341072484013959839
OFFSET
1,2
COMMENTS
Row 5 of A297314.
LINKS
EXAMPLE
Some solutions for n=5
..0..0..0..0..0. .0..0..0..0..0. .0..1..0..0..1. .0..0..0..0..0
..0..1..1..0..0. .1..1..0..1..0. .1..0..0..1..0. .1..1..0..1..1
..1..0..0..1..1. .0..0..1..0..0. .0..1..0..0..1. .0..1..0..1..1
..0..1..0..0..0. .0..1..1..0..0. .1..1..0..1..0. .1..0..0..0..0
..1..0..0..0..0. .0..1..0..1..1. .0..0..0..1..1. .0..1..1..1..0
CROSSREFS
Cf. A297314.
Sequence in context: A218846 A219425 A341545 * A200892 A220390 A231803
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 28 2017
STATUS
approved