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A222966 Number of nX5 0..1 arrays with every row least squares fitting to a positive slope straight line and every column least squares fitting to a zero or positive slope straight line, with a single point array taken as having zero slope 1
12, 48, 576, 3140, 37680, 264384, 3441888, 27387944, 361269072, 3225928864, 42721628400, 406849454892, 5367772345392, 53623428017220, 702878396190336, 7266377873987616, 94437176916813264, 1001872830089699424 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 4 of A222969

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..21

EXAMPLE

Some solutions for n=3

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

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

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

CROSSREFS

Sequence in context: A269030 A222359 A002899 * A077612 A041272 A022282

Adjacent sequences:  A222963 A222964 A222965 * A222967 A222968 A222969

KEYWORD

nonn

AUTHOR

R. H. Hardin Mar 10 2013

STATUS

approved

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Last modified November 12 19:19 EST 2018. Contains 317116 sequences. (Running on oeis4.)