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A061254
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Odd composite numbers n such that primitive part of Fibonacci(n) (see A061446) is prime.
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7
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9, 15, 21, 33, 35, 39, 45, 51, 63, 65, 75, 93, 105, 111, 119, 121, 123, 135, 145, 185, 195, 201, 207, 209, 225, 231, 235, 245, 285, 287, 299, 301, 321, 335, 363, 399, 423, 453, 473, 693, 707, 771, 1047, 1113, 1215, 1365, 1371, 1387, 1533, 1537
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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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A061446[n_] := Product[Fibonacci[d]^MoebiusMu[n/d], {d, Divisors[n]}];
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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EXTENSIONS
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Definition corrected by T. D. Noe, Dec 14 2006
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STATUS
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approved
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