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A053784 Harmonic means of (1+e)-divisors of (1+e)-harmonic numbers. 2
1, 2, 3, 5, 6, 9, 9, 10, 11, 15, 15, 14, 8, 9, 17, 17, 12, 21, 19, 16, 14, 18, 29, 26, 29, 21, 20, 17, 24, 28, 22, 27, 39, 24, 30, 42, 23 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

If n = Product p(i)^r(i), d = Product p(i)^s(i) and s(i) = 0 or s(i) divides r(i), then d is a (1+e)-divisor of n.

LINKS

Table of n, a(n) for n=1..37.

CROSSREFS

Cf. A049599, A051378.

Sequence in context: A118809 A121048 A075389 * A036697 A131292 A276476

Adjacent sequences:  A053781 A053782 A053783 * A053785 A053786 A053787

KEYWORD

easy,nonn

AUTHOR

Naohiro Nomoto, Apr 14 2001

STATUS

approved

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Last modified December 14 07:15 EST 2018. Contains 318090 sequences. (Running on oeis4.)