A223314 Number of nX5 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

32, 120, 2096, 10788, 166920, 1137386, 14821296, 107282250, 1197025480, 8930729742, 89724805728, 673347767556, 6321570163144, 47468514604728, 425845054799904

Offset

1,1

Comments

Column 5 of A223317

Links

Table of n, a(n) for n=1..15.

Example

Some solutions for n=4
..1..1..0..0..0....1..1..1..1..0....1..1..1..0..1....1..1..1..1..1
..0..0..1..1..0....1..0..0..0..0....0..1..1..0..1....0..0..1..0..0
..0..1..0..0..1....1..1..1..1..1....0..1..0..0..1....0..0..1..0..0
..0..0..0..0..1....0..1..1..1..1....0..0..1..0..1....1..1..1..1..1

Crossrefs

Sequence in context: A234436 A297461 A297698 * A203965 A203958 A005903

Adjacent sequences: A223311 A223312 A223313 * A223315 A223316 A223317

Keyword

nonn

Author

R. H. Hardin Mar 19 2013

Status

approved