A245130 - OEIS

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A245130

Number of length n 0..4 arrays least squares fitting to a zero slope straight line, with a single point taken as having zero slope

5, 5, 25, 41, 275, 505, 4005, 8193, 68855, 147117, 1277485, 2807617, 24937335, 55854349, 504209895, 1145384915, 10467805625, 24038991995, 221828315005, 513848349931, 4778788229935, 11147995960319, 104342997162795

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

COMMENTS

Column 4 of A245134

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210

EXAMPLE

Some solutions for n=10

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

..4....1....2....0....2....0....4....1....3....3....4....4....4....4....4....4

..0....3....1....3....1....2....4....1....1....1....1....3....1....3....3....3

..2....2....4....0....2....0....4....2....3....3....1....0....3....0....2....2

..1....4....2....1....4....1....0....4....0....1....4....3....1....4....3....3

..4....2....2....0....1....0....2....2....0....2....4....2....3....2....3....1

..4....2....0....1....1....2....2....0....3....2....1....3....2....1....4....4

..1....3....3....3....0....0....3....4....1....2....3....1....0....2....2....0

..2....0....1....1....1....2....4....0....3....0....0....3....1....2....0....3

..1....1....3....1....2....1....3....1....2....4....3....1....3....2....3....3

CROSSREFS

Sequence in context: A170834 A154630 A245520 * A263872 A237654 A038247

Adjacent sequences: A245127 A245128 A245129 * A245131 A245132 A245133

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jul 12 2014

STATUS

approved