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A233516
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Where records occur in A061026, the smallest number m such that n divides phi(m), where phi is Euler's totient function.
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2
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1, 2, 3, 5, 7, 13, 17, 19, 31, 59, 85, 109, 133, 167, 197, 227, 317, 389, 457, 521, 799, 859, 1153, 1163, 1637, 1861, 1997, 2053, 2633, 3011, 3167, 3721, 3833, 5227, 6637, 7213, 9199, 12919, 13259, 13469, 14263
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OFFSET
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1,2
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COMMENTS
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Not all of these numbers are prime. The record values are in A233517.
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LINKS
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MATHEMATICA
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t2 = {{1, 1}}; Do[k = 1; While[Mod[EulerPhi[k], n] > 0, k++]; If[k > t2[[-1, 2]], AppendTo[t2, {n, k}]; Print[{n, k}]], {n, 2, 10^3}]; Transpose[t2][[1]]
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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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