A075119 - OEIS

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A075119

Denominator of n/floor(sqrt(n)); numerator is A073890(n).

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