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Search: id:A063450
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| 2, 3, 4, 6, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 22, 24, 25, 26, 27, 28, 30, 32, 33, 34, 36, 38, 40, 42, 44, 45, 46, 48, 50, 51, 52, 54, 56, 57, 58, 60, 62, 63, 64, 66, 68, 70, 72, 74, 75, 76, 78, 80, 81, 82, 84, 85, 86, 88, 90, 91, 92, 93, 94, 96, 98, 99, 100, 102, 104, 105
(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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EXAMPLE
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d(p+1)<2d(p) holds mainly to composites and also to 2 primes p=2,p=3 as well; n=10,2d[10]=2.4=8>2=d[11]; n=3,2d[3]=2.2=4>d[4]=3; 2d[2]=2.2=4>d[3]=2
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PROGRAM
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(PARI) { n=0; for (m=1, 10^9, if (numdiv(m + 1) < 2*numdiv(m), write("b063450.txt", n++, " ", m); if (n==1000, break)) ) } [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), Aug 21 2009]
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CROSSREFS
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A000005.
Sequence in context: A125292 A101513 A108408 this_sequence A047229 A094229 A067290
Adjacent sequences: A063447 A063448 A063449 this_sequence A063451 A063452 A063453
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KEYWORD
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nonn
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AUTHOR
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Labos E. (labos(AT)ana.sote.hu), Jul 24 2001
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