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A063449
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d[n+1]>2d[n], d[]=A000005.
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1
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11, 17, 19, 23, 29, 31, 35, 41, 43, 47, 53, 59, 67, 71, 79, 83, 89, 95, 97, 101, 103, 107, 109, 111, 113, 119, 125, 127, 131, 137, 139, 143, 149, 151, 155, 159, 161, 163, 167, 169, 173, 179, 181, 191, 197, 199, 203, 209, 211, 215, 219, 223, 227, 229, 233, 239
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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LINKS
| Harry J. Smith, Table of n, a(n) for n=1,...,1000
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EXAMPLE
| d(p+1)>=2d(p) holds for all primes and some integers too; n=29,2d[29]=2.2=4<8=d[30]; n=95,2d[95]=2.4=8<d[96]=12.
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PROG
| (PARI) { n=0; for (m=1, 10^9, if (numdiv(m + 1) > 2*numdiv(m), write("b063449.txt", n++, " ", m); if (n==1000, break)) ) } [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), Aug 21 2009]
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CROSSREFS
| A000005.
Sequence in context: A050658 A050891 A061751 * A157996 A050713 A038966
Adjacent sequences: A063446 A063447 A063448 * A063450 A063451 A063452
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KEYWORD
| nonn
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AUTHOR
| Labos E. (labos(AT)ana.sote.hu), Jul 24 2001
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