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A094519 Numbers having at least one pair (x,y) of divisors with x<y such that also x+y is a divisor. 3
6, 12, 18, 20, 24, 30, 36, 40, 42, 48, 54, 56, 60, 66, 70, 72, 78, 80, 84, 90, 96, 100, 102, 108, 110, 112, 114, 120, 126, 132, 138, 140, 144, 150, 156, 160, 162, 168, 174, 180, 182, 186, 192, 198, 200, 204, 210, 216, 220, 222, 224, 228, 234, 240, 246 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

COMMENTS

A094518(a(n)) > 0; complement of A094520.

A superset of A088723. - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Sep 16 2007

CROSSREFS

Sequence in context: A007620 A100715 A205525 * A088723 A138939 A105935

Adjacent sequences:  A094516 A094517 A094518 * A094520 A094521 A094522

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), May 06 2004

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Last modified February 13 14:15 EST 2012. Contains 205503 sequences.