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A223752 Number of 1X(n+1) 0..3 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
6, 24, 117, 456, 1962, 7660, 31897, 125240, 514300, 2027832, 8266707, 32688296, 132665572, 525661108, 2127110678, 8440975288, 34086061208, 135418512296, 546011521445, 2171164829984, 8744100796746, 34795052216800, 140006637363629 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Row 1 of A223751

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..200

EXAMPLE

Some solutions for n=3

..0..2..1..2....1..3..0..3....1..1..3..3....0..3..3..2....1..3..1..3

CROSSREFS

Sequence in context: A187668 A273813 A293257 * A293236 A217193 A109583

Adjacent sequences:  A223749 A223750 A223751 * A223753 A223754 A223755

KEYWORD

nonn

AUTHOR

R. H. Hardin Mar 27 2013

STATUS

approved

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Last modified May 27 04:33 EDT 2020. Contains 334649 sequences. (Running on oeis4.)