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A303043
Number of 5Xn 0..1 arrays with every element equal to 0, 1, 3, 4 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
1
16, 21, 71, 197, 703, 3069, 11079, 39281, 147655, 574771, 2154055, 8024515, 30383341, 115990813, 439167167, 1658045069, 6291314637, 23940047265, 90892145957, 344679542151, 1309322301315, 4979238288779, 18921620186225
OFFSET
1,1
COMMENTS
Row 5 of A303040.
LINKS
EXAMPLE
Some solutions for n=5
..0..1..0..0..1. .0..1..0..1..0. .0..0..0..1..0. .0..1..0..1..0
..0..1..0..1..0. .1..1..0..0..0. .0..1..0..1..0. .1..1..0..1..1
..0..1..0..1..0. .0..1..0..1..0. .1..1..0..1..0. .0..1..0..1..0
..1..1..0..0..0. .0..1..0..1..0. .0..1..0..1..0. .0..1..0..0..0
..0..1..0..1..0. .0..1..0..0..0. .0..1..0..1..0. .0..1..0..1..0
CROSSREFS
Cf. A303040.
Sequence in context: A138173 A302313 A303200 * A302880 A303528 A123662
KEYWORD
nonn
AUTHOR
R. H. Hardin, Apr 17 2018
STATUS
approved