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A223315 Number of nX6 0..1 arrays with successive rows and columns fitting to straight lines with nondecreasing slope, with a single point array taken as having zero slope 0
64, 247, 7490, 43999, 1137386, 9696201, 196812586, 1743257458, 27396916796 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A223317

LINKS

Table of n, a(n) for n=1..9.

EXAMPLE

Some solutions for n=4

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

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

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

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

CROSSREFS

Sequence in context: A198071 A218902 A197905 * A263924 A236331 A321070

Adjacent sequences:  A223312 A223313 A223314 * A223316 A223317 A223318

KEYWORD

nonn

AUTHOR

R. H. Hardin Mar 19 2013

STATUS

approved

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Last modified December 4 09:43 EST 2021. Contains 349485 sequences. (Running on oeis4.)