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A306133
Number of nX5 0..1 arrays with every element unequal to 0, 2, 3, 4, 6 or 7 king-move adjacent elements, with upper left element zero.
1
1, 82, 240, 2922, 31843, 267988, 2889140, 29281552, 289967701, 2972720307, 30091767321, 304406786632, 3091992959174, 31341774355331, 317778000686626, 3223336785281965, 32685713823934867, 331470578285123739
OFFSET
1,2
COMMENTS
Column 5 of A306136.
LINKS
EXAMPLE
Some solutions for n=5
..0..1..0..0..1. .0..1..0..0..1. .0..1..0..0..0. .0..1..1..1..0
..0..1..1..0..1. .1..0..0..1..0. .1..1..0..0..0. .1..0..0..0..1
..1..1..1..1..1. .0..1..0..1..0. .0..0..0..1..1. .0..0..1..0..0
..0..0..1..1..0. .0..1..0..0..0. .0..0..1..0..0. .1..0..0..1..1
..1..1..0..0..1. .1..0..0..1..1. .1..1..1..1..1. .1..0..1..1..0
CROSSREFS
Cf. A306136.
Sequence in context: A304548 A316373 A309033 * A317268 A258739 A048513
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jun 22 2018
STATUS
approved