OFFSET
1,1
LINKS
Zak Seidov, Table of n, a(n) for n = 1..5000
FORMULA
EXAMPLE
10 is a term because the sum of the first two semiprimes 4 and 6 is 10.
MATHEMATICA
s = Select[Range@ 40882, PrimeOmega@ # == 2 &]; Select[Accumulate[s[[1 ;; 164]]], PrimeOmega@ # == 2 &] (* Michael De Vlieger, Sep 21 2015 *)
PROG
(PARI) A092190(n, list=0, b=2)={my(s=0, N=0); while(n, until(bigomega(N++)==b, ); bigomega(s+=N)==b & n-- & list & print1(s", ")); s} \\ M. F. Hasler, Sep 23 2012
CROSSREFS
KEYWORD
easy,nonn
AUTHOR
Zak Seidov, Feb 23 2004
STATUS
approved