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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 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..40.

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

Adjacent sequences:  A178085 A178086 A178087 * A178089 A178090 A178091

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

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Last modified June 14 21:27 EDT 2021. Contains 345041 sequences. (Running on oeis4.)