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Search: id:A140671
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| A140671 |
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Numbers useful in computing A(k), the largest possible magnitude of the x^k coefficient in a cyclotomic polynomial. |
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+0
1
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OFFSET
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3,1
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COMMENT
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The values of A(k) are in sequence A138474. The least order N(k) of the cyclotomic polynomial producing A(k) is A138475(k). For k >= a(n), computational experiments have shown that only primes >= prime(n) divide N(k). These terms were determined empirically; is there another way of characterizing these numbers?
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CROSSREFS
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Adjacent sequences: A140668 A140669 A140670 this_sequence A140672 A140673 A140674
Sequence in context: A116185 A008889 A063829 this_sequence A054558 A073614 A088361
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KEYWORD
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nonn
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AUTHOR
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T. D. Noe (noe(AT)sspectra.com), May 21 2008
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