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A218860
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Unique integers appearing in A066135, in order of appearance.
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2
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6, 10, 34, 84, 194, 228, 386, 1282, 1538, 3084, 147468, 1956, 1046532, 24578, 3252, 4548, 638978, 5844, 28524, 26626, 229378, 44076, 24636, 59628, 117948, 18804, 75778, 83604, 30468
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graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,1
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LINKS
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MATHEMATICA
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f[n_]:=(m = 2; While[Mod[DivisorSigma[n, m], m] > 0, m++]; m); s={}; Do[m=f[n]; If[!MemberQ[s, m], AppendTo[s, m]], {n, 1, 1000}]; s (* Amiram Eldar, Dec 18 2018 after T. D. Noe at A066135 *)
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CROSSREFS
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KEYWORD
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nonn,more
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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