OFFSET
1,2
COMMENTS
Prime factors counted with multiplicity. - Harvey P. Dale, Sep 13 2016
LINKS
Harvey P. Dale, Table of n, a(n) for n = 1..1000
EXAMPLE
a(2)=3 because 3+5=8=2*2*2;
a(3)=2 because 3+5+7=15=3*5.
MATHEMATICA
PrimeOmega[Accumulate[Prime[Range[2, 110]]]] (* Harvey P. Dale, Sep 13 2016 *)
PROG
(PARI) for(n=1, 105, print1(bigomega(sum(k=1, n, prime(k+1))), ", ")) (Shepherd)
CROSSREFS
KEYWORD
easy,nonn
AUTHOR
Giovanni Teofilatto, Feb 28 2005
EXTENSIONS
More terms from Rick L. Shepherd, May 18 2005
STATUS
approved