A144641 - OEIS

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A144641

Indices of harmonic (or Ore) numbers (A001599) that are also perfect numbers.

0

2, 3, 6, 11, 59, 176, 310

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

OFFSET

1,1

LINKS

Table of n, a(n) for n=1..7.

CROSSREFS

Cf. A000396, A001599.

Sequence in context: A275783 A102021 A350911 * A358237 A294720 A082002

Adjacent sequences: A144638 A144639 A144640 * A144642 A144643 A144644

KEYWORD

more,nonn

AUTHOR

Omar E. Pol, Jan 19 2009

EXTENSIONS

a(6)-a(7) from Donovan Johnson, Aug 25 2012

STATUS

approved