OFFSET
1,1
COMMENTS
The first two elements in this sequence are themselves 6-almost primes. a(1) = 64 = 2^6. a(2) = 160 = 2^5 * 5. - Jonathan Vos Post, Dec 11 2004
LINKS
Robert Israel, Table of n, a(n) for n = 1..10000
EXAMPLE
a(2)=160 because sum of first two 6-almost primes, i.e. 64+96, is 160.
MAPLE
ListTools:-PartialSums(select(numtheory:-bigomega=6, [$1..2000])); # Robert Israel, Jun 28 2019
MATHEMATICA
Accumulate[Select[Range[1500], PrimeOmega[#]==6&]] (* Harvey P. Dale, May 15 2013 *)
CROSSREFS
KEYWORD
easy,nonn
AUTHOR
Shyam Sunder Gupta, Aug 24 2003
STATUS
approved