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A176587 Numbers such that arithmetic mean of distinct prime factors is not an integer. 2
1, 6, 10, 12, 14, 18, 20, 22, 24, 26, 28, 30, 34, 36, 38, 40, 44, 46, 48, 50, 52, 54, 56, 58, 60, 62, 66, 68, 70, 72, 74, 75, 80, 82, 86, 88, 90, 92, 94, 96, 98, 100 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Complement of A078174.

LINKS

Table of n, a(n) for n=1..42.

EXAMPLE

For a(14) = 36: 36 = 2^2*3^3; (2+3)/2 is not integer.

CROSSREFS

Sequence in context: A054741 A177712 A176552 * A174164 A098902 A100367

Adjacent sequences:  A176584 A176585 A176586 * A176588 A176589 A176590

KEYWORD

nonn

AUTHOR

Jaroslav Krizek, Apr 21 2010

STATUS

approved

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Last modified November 15 06:05 EST 2019. Contains 329144 sequences. (Running on oeis4.)