Sum of the nonprime divisors of n.

Terms

a(0) =1a(1) =1a(2) =1a(3) =5a(4) =1a(5) =7a(6) =1a(7) =13a(8) =10a(9) =11a(10) =1a(11) =23a(12) =1a(13) =15a(14) =16a(15) =29a(16) =1a(17) =34a(18) =1a(19) =35a(20) =22a(21) =23a(22) =1a(23) =55a(24) =26a(25) =27a(26) =37a(27) =47a(28) =1a(29) =62