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0, 1, 3, 4, 2, 5, 11, 7, 6, 11, 16, 17, 8, 11, 29, 4, 13, 10, 23, 35, 26, 12, 17, 10, 47, 19, 14, 43, 47, 35, 28, 23, 67, 6, 38, 18, 41, 59, 14, 57, 20, 29, 97, 31, 36, 57, 16, 71, 53, 24, 67, 112, 37, 44, 59, 16, 83, 97, 36, 41, 129, 20, 43, 30
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,3
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COMMENTS
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Also, zero together with the positive integers of A152770.
Note that the k-th positive integer of this sequence is equal to the sum of proper divisors minus the number of proper divisors of the composite number A002808(k).
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LINKS
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Table of n, a(n) for n=1..64.
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FORMULA
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a(n) = A152770(A018252(n)).
a(n) = A001065(A018252(n)) - A032741(A018252(n)).
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MAPLE
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A162196 := proc(n)
A152770(A018252(n)) ;
end proc: # R. J. Mathar, Sep 28 2011
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CROSSREFS
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Cf. A001065, A018252, A002808, A032741, A152770, A152988, A152989, A152990, A162194, A162195.
Sequence in context: A127296 A214929 A205152 * A179297 A133620 A154570
Adjacent sequences: A162193 A162194 A162195 * A162197 A162198 A162199
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KEYWORD
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easy,nonn
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AUTHOR
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Omar E. Pol, Jul 04 2009
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STATUS
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approved
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