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A178088
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Let Sn=p1+....+pn and zn=Sn/pn. (zn) is not increasing; we have z1<z2<...<z30 then zn<zn-1 for the first time for p31=127, the second time for p35=149 and so on...
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0
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127, 149, 211, 223, 307, 331, 479, 521, 541, 787, 853, 877, 907, 967, 1087, 1151, 1277, 1361, 1399, 1597, 1657, 1693, 1777, 1847, 1931, 1949, 1973, 2129, 2179, 2203, 2237, 2267, 2333, 2503, 2521, 2579, 2609, 2819, 2879, 2999
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OFFSET
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1,1
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LINKS
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PROG
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(PARI) lista(nn) = {z = 1; for (n=1, nn, nz = sum(i=1, n, prime(i))/prime(n); if (nz < z, print1(prime(n), ", ")); z = nz; ); } \\ Michel Marcus, Jul 19 2013
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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Alain Marot (marot.alain(AT)orange.fr), May 19 2010
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EXTENSIONS
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20th term is 1597 instead of 1587 by Marot Alain (marot.alain(AT)orange.fr), Jun 05 2010
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STATUS
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approved
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