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A272963
Number of nX6 0..1 arrays with exactly n+6-1 having value 1 and no three 1s forming an isosceles right triangle.
0
1, 0, 6, 8, 58, 192, 838, 4968, 37436, 250516, 1268025, 5445512
OFFSET
1,3
COMMENTS
Column 6 of A272965.
EXAMPLE
Some solutions for n=6
..0..0..1..1..0..1. .0..0..0..1..0..1. .1..0..1..0..1..0. .1..1..1..1..0..0
..1..0..0..0..0..1. .0..1..1..0..0..0. .0..0..1..0..0..1. .0..0..0..0..1..0
..0..0..0..0..1..0. .0..0..0..0..0..0. .0..1..0..0..0..0. .0..0..0..0..0..1
..1..0..0..0..0..0. .1..0..0..0..0..1. .1..0..0..0..0..1. .0..1..0..0..0..1
..1..0..0..0..0..1. .0..0..0..0..0..1. .0..0..0..1..0..0. .0..0..0..0..0..1
..0..0..1..0..0..1. .1..1..0..1..1..0. .0..0..0..0..1..1. .1..1..0..0..0..0
CROSSREFS
Cf. A272965.
Sequence in context: A192158 A167481 A137122 * A218215 A240544 A136931
KEYWORD
nonn
AUTHOR
R. H. Hardin, May 11 2016
STATUS
approved