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A178088
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...
0
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
OFFSET
1,1
PROG
(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
CROSSREFS
Sequence in context: A126096 A334095 A164966 * A006285 A094933 A156702
KEYWORD
nonn
AUTHOR
Alain Marot (marot.alain(AT)orange.fr), May 19 2010
EXTENSIONS
20th term is 1597 instead of 1587 by Marot Alain (marot.alain(AT)orange.fr), Jun 05 2010
More terms from Michel Marcus, Jul 19 2013
STATUS
approved