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A303893
Number of nX5 0..1 arrays with every element unequal to 1, 2, 3 or 4 king-move adjacent elements, with upper left element zero.
1
3, 313, 842, 7421, 29479, 200144, 992789, 5930552, 32529473, 183511110, 1040095115, 5814425752, 32991537449, 185215371545, 1046962946963, 5898040401117, 33274465102765, 187679674103195, 1058350295231955
OFFSET
1,1
COMMENTS
Column 5 of A303896.
FORMULA
Empirical recurrence of order 92 (see link above)
EXAMPLE
Some solutions for n=5
..0..1..1..0..0. .0..0..1..1..1. .0..0..0..1..1. .0..1..1..1..0
..1..1..1..1..0. .1..0..0..0..0. .1..0..1..1..0. .1..1..0..0..0
..0..1..1..1..1. .0..1..0..0..1. .0..1..1..1..0. .1..0..0..0..1
..0..0..0..1..0. .1..1..1..1..0. .0..1..1..1..0. .0..0..1..1..0
..1..0..0..0..1. .1..0..0..1..1. .0..1..1..0..0. .0..1..1..1..1
CROSSREFS
Cf. A303896.
Sequence in context: A316329 A062333 A222725 * A305285 A304898 A316580
KEYWORD
nonn
AUTHOR
R. H. Hardin, May 02 2018
STATUS
approved