OFFSET
1,2
LINKS
Iain Fox, Table of n, a(n) for n = 1..10000
EXAMPLE
nextprime(3*4)=13 and nextprime(3)*nextprime(4)=3*5=15 then 4 is member because 13<15
MATHEMATICA
np[n_]:=If[PrimeQ[n], n, NextPrime[n]]; Select[Range[150], np[3*#]<(3np[#])&] (* Harvey P. Dale, Sep 21 2024 *)
PROG
(PARI) for(i=1, 150, if(nextprime(3*i)<nextprime(3)*nextprime(i), print1(i, ", ")))
CROSSREFS
KEYWORD
easy,nonn
AUTHOR
Mohammed Bouayoun (mohammed.bouayoun(AT)sanef.com), Apr 18 2006
STATUS
approved