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A111632
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Increasingly larger values in A110412.
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0
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1, 2, 3, 5, 17, 22, 26, 401, 626, 730, 1025, 1813, 4925, 7572, 19053, 28925, 51996, 115625, 175208, 374560, 435825, 687500, 978144, 1333976, 1346072, 2600466, 2867085, 4509012, 5146875, 8948550
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listen;
history;
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internal format)
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OFFSET
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1,2
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COMMENTS
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The last to appear is 1,2,3,5,8,9,10,11,15,18,19,21,22,25,30,34,42,45,46,58,69,70,81,90,126,133,158,202,276,465,...,.
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LINKS
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MATHEMATICA
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f[n_] := Plus @@ (DivisorSigma[0, n - # ] & /@ Most[Divisors[n]]); t = Table[0, {1000}]; Do[a = f[n]; If[a < 1000 && t[[a + 1]] == 0, t[[a + 1]] = n; Print[{a, n}]], {n, 10^6}]
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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