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Search: id:A083247
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| 14, 20, 21, 22, 26, 27, 28, 32, 33, 34, 35, 38, 39, 44, 45, 46, 49, 51, 52, 55, 57, 58, 62, 63, 64, 65, 68, 69, 74, 75, 76, 77, 81, 82, 85, 86, 87, 91, 92, 93, 94, 95, 99, 106, 111, 115, 116, 117, 118, 119, 121, 122, 123, 124, 125, 128, 129, 133, 134, 135, 141, 142
(list; graph; listen)
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OFFSET
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1,1
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EXAMPLE
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n=99: d[n]=6,phi[n]=60,unrelateds[n]=99-6-60+1=34 so
60>34>6 holds; primes are not here A045763[p]=0<A000005[p]=2.
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MATHEMATICA
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Do[r=EulerPhi[n]; d=DivisorSigma[0, n]; u=n-r-d+1; If[Greater[r, u]&&Greater[u, d], Print[n, {d, r, u}]], {n, 1, 1000}]
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CROSSREFS
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Cf. A000005, A000010, A045763, A073757, A083243-A083248, A020488.
Sequence in context: A092768 A144080 A006576 this_sequence A074851 A087678 A144585
Adjacent sequences: A083244 A083245 A083246 this_sequence A083248 A083249 A083250
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KEYWORD
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nonn
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AUTHOR
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Labos E. (labos(AT)ana.sote.hu), May 07 2003
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