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A334762 a(n) = ceiling (n / A000005(n)). 1
1, 1, 2, 2, 3, 2, 4, 2, 3, 3, 6, 2, 7, 4, 4, 4, 9, 3, 10, 4, 6, 6, 12, 3, 9, 7, 7, 5, 15, 4, 16, 6, 9, 9, 9, 4, 19, 10, 10, 5, 21, 6, 22, 8, 8, 12, 24, 5, 17, 9, 13, 9, 27, 7, 14, 7, 15, 15 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

COMMENTS

ceiling (n / A000005(n)) - floor (n / A000005(n)) = 0 for A033950(n).

LINKS

Robert Israel, Table of n, a(n) for n = 1..10000

FORMULA

a(n) = ceiling (n / A000005(n)).

EXAMPLE

a(1) = ceiling (1 / 1) = 1;

a(5) = ceiling (5 / 2) = 3;

MAPLE

seq(ceil(n/numtheory:-tau(n)), n=1..100); # Robert Israel, May 13 2020

MATHEMATICA

a[n_] := Ceiling[n / DivisorSigma[0, n]]; Array[a, 60] (* Amiram Eldar, May 10 2020 *)

CROSSREFS

Cf. A000005, A033950, A078709.

Sequence in context: A073182 A282446 A049599 * A305461 A043261 A157986

Adjacent sequences:  A334759 A334760 A334761 * A334763 A334764 A334765

KEYWORD

nonn,look

AUTHOR

Ctibor O. Zizka, May 10 2020

STATUS

approved

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Last modified April 20 14:55 EDT 2021. Contains 343135 sequences. (Running on oeis4.)