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A075119 Denominator of n/floor(sqrt(n)); numerator is A073890(n). 4
1, 1, 1, 1, 2, 1, 2, 1, 1, 3, 3, 1, 3, 3, 1, 1, 4, 2, 4, 1, 4, 2, 4, 1, 1, 5, 5, 5, 5, 1, 5, 5, 5, 5, 1, 1, 6, 3, 2, 3, 6, 1, 6, 3, 2, 3, 6, 1, 1, 7, 7, 7, 7, 7, 7, 1, 7, 7, 7, 7, 7, 7, 1, 1, 8, 4, 8, 2, 8, 4, 8, 1, 8, 4, 8, 2, 8, 4, 8, 1, 1, 9, 9, 3, 9, 9, 3, 9, 9, 1, 9, 9, 3, 9, 9, 3, 9, 9, 1, 1, 10, 5, 10, 5 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,5

LINKS

Reinhard Zumkeller, Table of n, a(n) for n = 1..10000

FORMULA

a(n) = A000196(n)/A067815(n).

MAPLE

A075119:=n->denom(n/floor(sqrt(n))): seq(A075119(n), n=1..100); # Wesley Ivan Hurt, Jul 07 2014

MATHEMATICA

Table[Denominator[n/Floor[Sqrt[n]]], {n, 100}] (* Wesley Ivan Hurt, Jul 07 2014 *)

PROG

(Haskell)

import Data.Ratio ((%), denominator)

a075119 n = denominator $ n % a000196 n

-- Reinhard Zumkeller, Jul 08 2014

CROSSREFS

Cf. A000196, A067815.

Sequence in context: A303364 A131332 A059780 * A224076 A137278 A205810

Adjacent sequences:  A075116 A075117 A075118 * A075120 A075121 A075122

KEYWORD

nonn,frac

AUTHOR

Reinhard Zumkeller, Sep 03 2002

EXTENSIONS

Numerator reference corrected by Reinhard Zumkeller, Jul 08 2014

STATUS

approved

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Last modified May 26 04:46 EDT 2019. Contains 323579 sequences. (Running on oeis4.)