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A318549
Number of nX5 0..1 arrays with every element unequal to 1, 2, 4 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
1
3, 21, 44, 219, 842, 3172, 12073, 49181, 191426, 766695, 3049529, 12107020, 48250678, 192019906, 764373285, 3043515961, 12116244368, 48238515390, 192056199827, 764631673154, 3044276102274, 12120342053719, 48255337743357
OFFSET
1,1
COMMENTS
Column 5 of A318552.
LINKS
EXAMPLE
Some solutions for n=5
..0..1..1..0..1. .0..1..1..1..1. .0..1..0..1..1. .0..1..1..1..1
..1..1..1..1..1. .1..0..1..0..1. .1..1..1..1..0. .1..1..0..0..0
..0..1..1..0..0. .1..1..1..1..1. .1..0..1..1..1. .1..1..0..0..1
..1..1..1..0..0. .0..1..1..0..1. .1..1..1..0..1. .0..0..0..0..0
..0..0..0..1..0. .1..0..1..1..0. .1..0..1..1..0. .0..1..0..0..1
CROSSREFS
Cf. A318552.
Sequence in context: A056377 A146712 A364051 * A217000 A360316 A034186
KEYWORD
nonn
AUTHOR
R. H. Hardin, Aug 28 2018
STATUS
approved