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A299680
Number of nX6 0..1 arrays with every element equal to 0, 1, 2, 4, 5, 6 or 7 king-move adjacent elements, with upper left element zero.
1
32, 157, 506, 7279, 95471, 1247427, 16311888, 226655504, 3113437608, 41809837228, 570056836533, 7801438087684, 105925137297779, 1440713011938471, 19644402721962906, 267406292450499495, 3638814860392154947
OFFSET
1,1
COMMENTS
Column 6 of A299682.
LINKS
EXAMPLE
Some solutions for n=5
..0..1..0..1..0..0. .0..0..0..1..0..1. .0..1..1..1..0..1. .0..0..1..0..1..0
..0..1..0..1..0..1. .1..1..1..0..1..0. .1..1..1..0..0..1. .1..1..1..0..1..1
..1..0..0..0..0..0. .0..0..0..0..1..1. .0..0..0..0..0..1. .0..1..1..1..1..1
..1..0..0..0..0..0. .1..0..0..0..0..0. .1..0..0..1..0..1. .0..1..1..0..1..0
..0..1..1..0..0..1. .0..0..0..1..1..0. .1..0..1..0..1..0. .0..1..0..0..1..1
CROSSREFS
Cf. A299682.
Sequence in context: A299877 A299013 A299804 * A300312 A197367 A297843
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 16 2018
STATUS
approved