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A175397
Numbers such that both arithmetic means of distinct and all prime factors are not integers.
4
1, 6, 10, 12, 14, 18, 22, 24, 26, 28, 30, 34, 36, 38, 40, 46, 48, 52, 54, 56, 58, 62, 66, 70, 72, 74, 75, 80, 82, 86, 88, 90, 94, 96, 98, 100
OFFSET
1,2
COMMENTS
Subsequence of A176552, A175352 and A176587. See A174894.
Complement of A175418. [From Jaroslav Krizek, May 09 2010]
EXAMPLE
For a(13) = 36: 36 = 2^2*3^3; both (2+2+3+3)/4 and (2+3)/2 are not integers.
CROSSREFS
Sequence in context: A363171 A336323 A175352 * A129493 A036350 A295076
KEYWORD
nonn
AUTHOR
Jaroslav Krizek, May 01 2010
STATUS
approved