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Search: id:A082300
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A082300 Numbers relatively prime to the sum of their prime factors (with repetition). +0
2
6, 10, 12, 14, 15, 20, 21, 22, 26, 28, 33, 34, 35, 38, 39, 40, 44, 45, 46, 48, 51, 52, 54, 55, 56, 57, 58, 62, 63, 65, 68, 69, 74, 75, 76, 77, 80, 82, 85, 86, 87, 88, 90, 91, 92, 93, 94, 95, 96, 99, 104, 106, 108, 111, 112, 115, 116, 117, 118, 119, 122, 123, 124, 129, 133 (list; graph; listen)
OFFSET

1,1

COMMENT

A082299(a(n)) = 1.

EXAMPLE

GCD(2*2*5,2+2+5)=GCD(2*2*5,3*3)=1, therefore 20 is a term;

GCD(3*11,3+11)=GCD(3*11,2*7)=1, therefore 33 is a term.

CROSSREFS

Cf. A001414.

Sequence in context: A119313 A097318 A080363 this_sequence A050703 A135711 A161543

Adjacent sequences: A082297 A082298 A082299 this_sequence A082301 A082302 A082303

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Apr 08 2003

EXTENSIONS

Revised definition from Lior Manor (lior.manor(AT)gmail.com) Apr 14 2004

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Last modified December 15 00:47 EST 2009. Contains 170825 sequences.


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