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Search: id:A072073
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| 1, 2, 3, 3, 4, 4, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6, 7, 7, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 10
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OFFSET
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1,2
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EXAMPLE
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InvCototient[2^0] has infinite number of entries, so 2^0=1 is left out. n=14: 2^14=16384, InvCototient[16384]= {24576,28672,31744,32512,32764,32768}, so a(14)=6; a(n) increases at A000043(n).
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CROSSREFS
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Cf. A051953, A058764, A000043, A063740.
Adjacent sequences: A072070 A072071 A072072 this_sequence A072074 A072075 A072076
Sequence in context: A073933 A056792 A130500 this_sequence A061716 A126236 A073047
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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), Jun 13 2002
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