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A223822 Number of nX5 0..3 arrays with every row and column least squares fitting to a zero slope straight line, with a single point array taken as having zero slope 0
112, 112, 12544, 25080, 6121472, 16748672, 9452644096, 30528090112, 25629932950272, 97611223722496, 97507572620738560, 409423071194196800, 454232423119094753280, 2052359150118139990016, 2439317974403896414082688 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A223824

LINKS

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

EXAMPLE

Some solutions for n=4

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

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

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

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

CROSSREFS

Sequence in context: A190026 A129947 A217148 * A300006 A262521 A096680

Adjacent sequences:  A223819 A223820 A223821 * A223823 A223824 A223825

KEYWORD

nonn

AUTHOR

R. H. Hardin Mar 27 2013

STATUS

approved

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Last modified July 31 02:33 EDT 2021. Contains 346367 sequences. (Running on oeis4.)