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A302880
Number of 5Xn 0..1 arrays with every element equal to 0, 1, 3, 4 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
1
16, 21, 82, 285, 1197, 7580, 41498, 224087, 1300510, 7961144, 47528608, 279333761, 1677401880, 10223444297, 61648514855, 368974094762, 2225242688063, 13491965168663, 81443512904106, 490081514479072, 2957619899837635
OFFSET
1,1
COMMENTS
Row 5 of A302877.
LINKS
EXAMPLE
Some solutions for n=5
..0..0..0..0..1. .0..1..0..0..0. .0..1..0..1..0. .0..0..0..1..0
..0..1..0..0..0. .0..1..0..1..1. .1..1..0..1..0. .0..1..0..1..0
..0..1..0..0..0. .1..0..0..0..0. .0..1..0..1..0. .1..1..0..1..0
..0..1..1..0..1. .0..0..0..1..1. .0..0..0..1..0. .1..1..1..1..0
..0..1..0..1..1. .1..0..0..0..0. .1..1..0..1..0. .0..1..1..0..1
CROSSREFS
Cf. A302877.
Sequence in context: A302313 A303200 A303043 * A303528 A123662 A065778
KEYWORD
nonn
AUTHOR
R. H. Hardin, Apr 15 2018
STATUS
approved