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Search: id:A063794
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| 2, 28, 1368, 1700, 342000, 2061000, 2120832, 65834560, 89082000
(list; graph; listen)
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OFFSET
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2,1
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PROGRAM
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(PARI) us(n) = sumdiv(n, d, if(gcd(d, n/d)==1, d)); for(n=1, 10^8, if(us(n)==n+eulerphi(n), print(n)))
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CROSSREFS
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Cf. A034448.
Sequence in context: A009674 A143598 A071220 this_sequence A152792 A085602 A058502
Adjacent sequences: A063791 A063792 A063793 this_sequence A063795 A063796 A063797
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KEYWORD
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nonn
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AUTHOR
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Jason Earls (zevi_35711(AT)yahoo.com), Aug 18 2001
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EXTENSIONS
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More terms from Jud McCranie (j.mccranie(AT)comcast.net), Nov 04 2001. No other terms < 2700000000.
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