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A272971 Number of nX6 0..1 arrays with exactly n+6-2 having value 1 and no three 1s forming an isosceles triangle. 0
6, 28, 36, 37, 4, 8, 4, 22, 0, 34, 32, 203, 28 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A272973.

LINKS

Table of n, a(n) for n=1..13.

EXAMPLE

Some solutions for n=3

..0..1..0..1..1..0. .1..0..1..1..1..0. .0..0..0..0..0..1. .1..1..0..0..0..1

..1..0..0..0..0..1. .1..0..0..0..0..1. .1..0..0..0..0..1. .0..0..0..0..0..0

..1..0..0..0..0..1. .0..0..0..0..0..1. .1..0..1..1..1..0. .0..1..1..0..1..1

CROSSREFS

Cf. A272973.

Sequence in context: A259917 A083865 A185351 * A117948 A252234 A334405

Adjacent sequences:  A272968 A272969 A272970 * A272972 A272973 A272974

KEYWORD

nonn

AUTHOR

R. H. Hardin, May 11 2016

STATUS

approved

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Last modified September 16 18:26 EDT 2021. Contains 347473 sequences. (Running on oeis4.)