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A320361
Number of nX5 0..1 arrays with every element unequal to 2, 3, 4 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
1
0, 5, 60, 657, 7902, 91711, 1076811, 12633183, 148082443, 1736213698, 20357548449, 238693491568, 2798676228713, 32814460150445, 384749618366454, 4511189841036949, 52893701506634832, 620178660144475112
OFFSET
1,2
COMMENTS
Column 5 of A320364.
LINKS
EXAMPLE
Some solutions for n=5
..0..1..0..0..1. .0..1..0..1..0. .0..1..0..0..1. .0..1..0..0..1
..1..1..1..1..0. .1..1..1..0..1. .1..0..1..1..0. .1..1..0..1..0
..0..1..1..0..1. .0..1..0..0..1. .1..0..1..0..1. .0..0..0..1..0
..0..0..0..0..0. .1..0..0..1..0. .0..0..1..0..1. .1..1..1..1..1
..1..1..1..0..1. .1..0..1..0..1. .1..1..0..1..0. .0..1..0..1..0
CROSSREFS
Cf. A320364.
Sequence in context: A290747 A212700 A099672 * A138134 A283779 A353875
KEYWORD
nonn
AUTHOR
R. H. Hardin, Oct 11 2018
STATUS
approved