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Search: id:A063764
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| A063764 |
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Nonprimes n such that largest prime factor of n > n^(2/3). |
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+0
1
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| 10, 14, 22, 26, 33, 34, 38, 39, 46, 51, 57, 58, 62, 68, 69, 74, 76, 82, 86, 87, 92, 93, 94, 106, 111, 116, 118, 122, 123, 124, 129, 134, 141, 142, 145, 146, 148, 155, 158, 159, 164, 166, 172, 177, 178, 183, 185, 188, 194, 201, 202, 205, 206, 212, 213, 214, 215
(list; graph; listen)
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OFFSET
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1,1
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LINKS
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Harry J. Smith, Table of n, a(n) for n=1,...,1000
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MATHEMATICA
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Select[ Range[ 2, 250 ], !PrimeQ[ # ] && FactorInteger[ # ] [ [ -1, 1 ] ] > #^(2/3) & ]
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PROGRAM
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(PARI) { n=0; for (m=2, 10^9, f=vecmax(component(factor(m), 1)); if(!isprime(m) && f^3 > m^2, write("b063764.txt", n++, " ", m); if (n==1000, break)) ) } [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), Aug 30 2009]
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CROSSREFS
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Sequence in context: A073486 A073487 A089995 this_sequence A138511 A167611 A151740
Adjacent sequences: A063761 A063762 A063763 this_sequence A063765 A063766 A063767
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KEYWORD
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nonn
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AUTHOR
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Robert G. Wilson v (rgwv(AT)rgwv.com), Aug 14 2001
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