Sum of first n 6-almost primes.

Terms

a(0) =64a(1) =160a(2) =304a(3) =464a(4) =680a(5) =904a(6) =1144a(7) =1468a(8) =1804a(9) =2156a(10) =2516a(11) =2916a(12) =3332a(13) =3818a(14) =4322a(15) =4850a(16) =5390a(17) =5934a(18) =6494a(19) =7094a(20) =7702a(21) =8326a(22) =9055a(23) =9791a(24) =10547a(25) =11331a(26) =12123a(27) =12933a(28) =13749a(29) =14589