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A297767
Number of 6Xn 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 2, 3 or 4 neighboring 1s.
1
1, 31, 5685, 90727, 1456855, 59707529, 2301783905, 66213677238, 1944129099097, 63049230136397, 2027401928062934, 63102413279467578, 1970605911207789423, 62210056801807436056, 1961461031452058351683, 61622985760713701597898
OFFSET
1,2
COMMENTS
Row 6 of A297762.
LINKS
EXAMPLE
Some solutions for n=4
..1..1..1..0. .0..0..1..0. .0..0..1..1. .0..1..1..0. .1..1..1..0
..1..1..1..0. .0..1..1..1. .0..0..1..1. .0..0..1..1. .1..1..0..0
..0..0..0..0. .0..1..0..1. .1..1..1..1. .0..1..0..0. .1..1..0..0
..0..0..1..1. .1..1..1..0. .0..1..0..0. .0..0..1..0. .0..0..0..0
..0..0..1..1. .0..0..1..1. .0..0..1..1. .0..1..1..1. .0..0..1..1
..0..1..1..0. .0..0..0..0. .0..0..1..1. .0..1..1..0. .0..1..1..1
CROSSREFS
Cf. A297762.
Sequence in context: A214109 A245290 A090681 * A065756 A263378 A306840
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 05 2018
STATUS
approved